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Formula library

Quick references for the formulas people ask about most — each with a paste-ready example for Excel and Google Sheets. Or just describe what you need.

Lookup

VLOOKUP

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Look up a value in the first column of a range and return a value from another column in the same row.

XLOOKUP

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The modern replacement for VLOOKUP and INDEX/MATCH — look up a value and return a match in any direction.

INDEX / MATCH

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A flexible two-function lookup that can return values to the left of the lookup column.

QUERY (Google Sheets)

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Run SQL-like queries over a range in Google Sheets to filter, sort, and aggregate.

ARRAYFORMULA (Google Sheets)

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Apply a formula down an entire column at once in Google Sheets.

FILTER

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Return only the rows of a range that meet a condition — a live, formula-based filter.

SORT

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Sort a range by a column without touching the original data.

MATCH

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Find the position of a value within a row or column.

HLOOKUP

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Look up a value in the top row of a table and return a value from a row below it — the horizontal cousin of VLOOKUP.

OFFSET

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Return a cell or range a set number of rows and columns away from a starting point — useful for dynamic ranges.

INDIRECT

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Turn a piece of text into a real cell or range reference — build references on the fly from other cells.

INDEX

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Return the value at a given position in a range. Combined with MATCH it becomes a lookup that can return values in any direction.

LOOKUP

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Search a sorted row or column for a value and return a result from a corresponding position in another range.

XMATCH

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Return the relative position of a value in an array with support for exact, wildcard, and binary search modes.

ADDRESS

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Build a cell address string like $A$1 from a given row and column number, with optional absolute/relative and sheet name.

ROW

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Return the row number of a cell or the first row of a range; useful for generating sequential numbers or building dynamic formulas.

ROWS

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Count the number of rows in a range or array, returning a single integer.

COLUMN

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Return the column number of a cell, where A=1, B=2, etc.; handy for dynamic column offsets in formulas.

COLUMNS

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Count the total number of columns in a range or array and return it as an integer.

TRANSPOSE

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Flip a range so rows become columns and columns become rows, returning a transposed array.

GETPIVOTDATA

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Extract a specific value from a PivotTable using field names and item values as explicit identifiers.

FORMULATEXT

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Return the formula in a cell as a visible text string for documentation or auditing purposes.

HYPERLINK

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Create a clickable hyperlink in a cell that navigates to a URL, file path, or cell range when clicked.

CHOOSEROWS

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Select and return specific rows from an array by their position numbers, in any order.

CHOOSECOLS

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Select and return specific columns from an array by their position numbers, in any order.

TAKE

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Return a specified number of rows or columns from the start or end of an array.

DROP

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Remove a specified number of rows or columns from the start or end of an array and return the remainder.

VSTACK

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Vertically stack multiple arrays or ranges on top of each other into one combined array.

HSTACK

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Horizontally stack multiple arrays or ranges side by side into one combined wider array.

TOROW

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Convert a multi-column, multi-row range into a single horizontal row array.

TOCOL

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Convert a multi-row, multi-column range into a single vertical column array.

WRAPROWS

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Reshape a one-dimensional row or column array into a 2D table with a fixed number of columns per row.

WRAPCOLS

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Reshape a one-dimensional array into a 2D table with a fixed number of rows per column.

EXPAND

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Expand an array to a larger size by padding extra rows and columns with a specified value or #N/A.

AREAS

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Returns the number of individual areas (contiguous ranges) inside a multi-area reference. Useful when validating or counting disjointed selections.

Math & Aggregation

SUMIF

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Add up the cells in a range that meet a single condition.

SUMIFS

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Sum values that meet multiple conditions at once.

COUNTIF

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Count the cells in a range that meet a condition.

COUNTIFS

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Count cells that meet several conditions simultaneously.

AVERAGEIF

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Average the values in a range that meet a condition.

UNIQUE

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Return the distinct values from a range, removing duplicates.

SUM

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Add up all the numbers in a range — the most common spreadsheet calculation.

AVERAGE

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Find the mean of a range of numbers, ignoring blanks and text.

COUNT / COUNTA

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Count cells that contain numbers (COUNT) or any value at all (COUNTA).

MAX / MIN

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Return the largest (MAX) or smallest (MIN) number in a range.

SUMPRODUCT

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Multiply ranges together row by row and sum the result — ideal for weighted totals.

ROUND / ROUNDUP / ROUNDDOWN

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Round a number to a set number of decimal places.

AVERAGEIFS

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Average the values that meet several conditions at once across different columns.

MAXIFS / MINIFS

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Find the largest or smallest value among rows that meet one or more conditions.

MOD

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Return the remainder after dividing one number by another — great for every-Nth-row logic.

RANK

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Return the position of a number within a list — highest first by default, or lowest first.

MEDIAN

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Return the middle value of a range — a measure of center that ignores outliers, unlike the average.

LARGE / SMALL

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Return the Nth largest (LARGE) or Nth smallest (SMALL) value in a range — e.g. the 2nd highest.

RANDBETWEEN

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Generate a random whole number between a low and high bound — useful for samples and test data.

PMT

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Calculate the periodic payment on a loan from the rate, number of periods, and principal.

SUBTOTAL

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Aggregate a range (sum, average, count…) while ignoring other SUBTOTALs and, optionally, hidden rows. Ideal under filters.

ROUNDUP

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Always round a number up, away from zero, to a set number of digits. Useful for pricing and capacity planning.

ROUNDDOWN

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Always round a number down, toward zero, to a set number of digits — the opposite of ROUNDUP.

ABS

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Return the absolute (positive) value of a number, dropping any minus sign. Useful for differences and variances.

POWER

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Raise a number to a power (exponent). POWER(base, exponent) is the function form of the ^ operator.

SQRT

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Return the square root of a number. Pair with POWER for other roots.

PRODUCT

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Multiply all the numbers in a range together. The multiplication counterpart of SUM.

SUMSQ

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Return the sum of the squares of all supplied numbers — useful for statistical and engineering calculations.

AGGREGATE

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Apply one of 19 aggregate functions to a range while ignoring hidden rows, errors, or nested subtotals.

QUOTIENT

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Return the integer portion of a division result, discarding any remainder — equivalent to integer division.

MROUND

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Rounds a number to the nearest multiple of a given factor, useful for rounding prices to the nearest 0.05 or times to 15 minutes.

CEILING

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Rounds a number up to the nearest multiple of significance, always rounding away from zero.

FLOOR

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Rounds a number down to the nearest multiple of significance, always rounding toward zero.

INT

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Rounds a number down to the nearest integer, always toward negative infinity regardless of sign.

TRUNC

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Removes the decimal portion of a number, truncating toward zero without rounding.

EXP

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Returns e raised to the power of a given number, where e ≈ 2.71828. Used in exponential growth and decay models.

LN

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Returns the natural logarithm (base e) of a number. Used to invert EXP and model logarithmic growth.

LOG

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Returns the logarithm of a number to a specified base (default base 10). Useful for scaling data across orders of magnitude.

LOG10

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Returns the base-10 logarithm of a number. Common in scientific notation, decibel calculations, and pH formulas.

SIGN

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Returns 1 for positive numbers, -1 for negative numbers, and 0 for zero. Handy for conditional logic based on sign.

GCD

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Returns the greatest common divisor of two or more integers — the largest integer that divides all inputs without a remainder.

LCM

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Returns the least common multiple of two or more integers — the smallest positive integer divisible by all inputs.

FACT

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Returns the factorial of a non-negative integer (n! = n × (n−1) × … × 1). Used in permutations and combinations.

COMBIN

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Returns the number of combinations (n choose k) — ways to choose k items from n without regard to order.

PERMUT

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Returns the number of ordered arrangements (permutations) of k items chosen from n — order matters.

RAND

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Returns a random decimal number between 0 (inclusive) and 1 (exclusive), recalculated every time the sheet recalculates.

RANDARRAY

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Spills a grid of random numbers with specified rows, columns, min, max, and integer/decimal options. Excel 365 and Google Sheets only.

ROMAN

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Converts an Arabic integer (1–3999) to a Roman numeral text string, with optional simplification mode.

ARABIC

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Converts a Roman numeral text string to its Arabic integer equivalent. Accepts classical and simplified forms.

BASE

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Converts a decimal integer to a text string in any number base from 2 to 36 (e.g. binary, hex). Excel only.

DECIMAL

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Converts a number represented in a given base to a decimal integer. The inverse of BASE. Excel only.

PI

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Returns the mathematical constant π (approximately 3.14159265358979) with 15 digits of precision.

SIN

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Returns the sine of an angle given in radians. Convert degrees to radians with RADIANS() first.

COS

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Returns the cosine of an angle given in radians. Convert degrees to radians with RADIANS() first.

TAN

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Returns the tangent of an angle given in radians. Undefined at 90° and 270°; convert degrees with RADIANS().

RADIANS

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Converts an angle from degrees to radians. Required before passing degree values to SIN, COS, or TAN.

DEGREES

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Converts an angle from radians to degrees. Useful after trigonometric functions that return radian values.

EVEN

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Rounds a number up to the nearest even integer. Handy for packaging or pairing calculations that need multiples of 2.

ODD

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Rounds a number up to the nearest odd integer. Useful when calculations require odd-numbered groupings or counts.

Logical

IF

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Return one value when a condition is true and another when it is false.

IFERROR

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Catch formula errors and show a friendly value instead.

IFS

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Test several conditions in order and return the first match — cleaner than nested IF.

SWITCH

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Compare one value against a list of options and return the matching result.

AND / OR

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Combine multiple conditions — AND requires all true, OR requires any true.

CHOOSE

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Pick one value from a list by its position number — a clean alternative to nested IFs for fixed options.

AND

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Return TRUE only when every condition is true. The building block for multi-condition IF tests.

OR

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Return TRUE when at least one condition is true. Use it to flag rows that meet any of several criteria.

ISNUMBER

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Test whether a cell contains a number, returning TRUE or FALSE. Great for validating imported data.

IFNA

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Returns a custom value when a formula produces an #N/A error, passing all other results through unchanged.

NOT

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Reverses a logical value: returns FALSE if the argument is TRUE, and TRUE if the argument is FALSE.

XOR

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Returns TRUE when an odd number of its arguments evaluate to TRUE (exclusive OR logic).

TRUE

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Returns the Boolean value TRUE — used to supply a literal TRUE in formulas or comparisons.

FALSE

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Returns the Boolean value FALSE — used to supply a literal FALSE in formulas or comparisons.

LET

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Assigns names to calculation results within a formula, improving readability and avoiding repeated computation.

MAP

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Applies a LAMBDA function to each element of one or more arrays, returning an array of transformed results.

REDUCE

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Accumulates an array into a single value by applying a LAMBDA function cumulatively across all elements.

SCAN

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Like REDUCE but returns the intermediate accumulator value at every step, producing an array of running results.

BYROW

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Applies a LAMBDA function to each row of an array and returns a single-column array of per-row results.

BYCOL

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Applies a LAMBDA function to each column of an array and returns a single-row array of results.

MAKEARRAY

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Creates an array of specified dimensions by applying a LAMBDA function to generate each cell value.

LAMBDA

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Defines a reusable custom function using named parameters and a formula body, letting you call it like any built-in function — no VBA or scripts needed.

Text

TEXTJOIN

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Join text from multiple cells with a separator, skipping blanks.

LEFT / RIGHT / MID

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Extract part of a text string from the start, end, or middle.

TRIM

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Remove extra spaces from text — the fix for lookups that mysteriously fail.

SUBSTITUTE

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Replace specific text inside a cell — remove or swap characters.

TEXT

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Format a number or date as text using a custom pattern.

LEN

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Count the number of characters in a cell, including spaces.

FIND / SEARCH

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Return the position of one piece of text inside another — FIND is case-sensitive, SEARCH is not.

PROPER / UPPER / LOWER

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Change the capitalisation of text — title case, all caps, or all lowercase.

VALUE

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Convert a number stored as text into a real number so it can be used in calculations.

LEFT

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Pull the first N characters from a text string — like grabbing a currency prefix or a code's leading letters.

RIGHT

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Pull the last N characters from a text string — like the trailing digits of an order or SKU.

MID

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Extract characters from the middle of a string, starting at a position you choose for a length you choose.

CONCATENATE

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Join text from several cells into one. The classic way to build a full name or address from separate columns.

EXACT

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Compare two text values for an exact, case-sensitive match. Returns TRUE only when they are identical.

REPT

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Repeat a piece of text a set number of times — handy for in-cell bar charts or padding.

CONCAT

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Joins multiple text strings or ranges into one string without a delimiter.

TEXTJOIN

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Joins a range of text values with a specified delimiter, optionally ignoring empty cells.

CLEAN

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Removes all non-printable characters (ASCII 0-31) from a text string.

UPPER

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Converts all characters in a text string to uppercase.

LOWER

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Converts all characters in a text string to lowercase.

PROPER

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Capitalizes the first letter of each word in a text string and lowercases all other letters.

REPLACE

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Replaces a specific number of characters within a text string starting at a given position.

FIND

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Returns the starting position of one text string within another; case-sensitive.

SEARCH

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Returns the position of one text string within another; case-insensitive and supports wildcards.

TEXT

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Converts a number or date to a formatted text string using a specified number format code.

NUMBERVALUE

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Converts a text string representing a number to a numeric value using specified decimal and group separators.

TEXTSPLIT

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Splits a text string into an array of substrings using column and/or row delimiters.

TEXTBEFORE

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Extracts all text appearing before the first (or nth) occurrence of a specified delimiter.

TEXTAFTER

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Returns the text that appears after a given delimiter in a string, with options for instance and direction.

SPLIT

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Splits text around a delimiter and places each piece into a separate cell across a row (Google Sheets only).

JOIN

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Concatenates elements of an array or range with a specified delimiter between each element (Google Sheets only).

CHAR

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Returns the character represented by a given ASCII/ANSI code number (1–255).

CODE

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Returns the numeric ASCII/ANSI code of the first character in a text string.

UNICHAR

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Returns the Unicode character for a given code point number, supporting the full Unicode range beyond ASCII.

UNICODE

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Returns the Unicode code point (decimal number) of the first character in a text string.

DOLLAR

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Converts a number to text formatted as currency with a dollar sign and specified decimal places.

FIXED

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Rounds a number to a specified number of decimals and returns it as text with optional thousands separators.

T

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Returns the value if it is text, or an empty string if it is not — useful for type-safe text operations.

REGEXEXTRACT

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Extracts the first substring matching a regular expression pattern from a text string (Google Sheets only).

REGEXMATCH

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Returns TRUE if any part of a text string matches a regular expression pattern (Google Sheets only).

REGEXREPLACE

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Replaces all substrings matching a regular expression with a new string (Google Sheets only).

ARRAYTOTEXT

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Converts an array or range into a single text string, with concise or strict formatting options.

VALUETOTEXT

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Converts any value to text, with concise or strict mode for use in formula-building or display.

Date & Time

TODAY / DATEDIF

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Work with the current date and measure the gap between two dates.

EOMONTH

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Find the last day of the month, this month or a number of months away.

NETWORKDAYS

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Count working days between two dates, excluding weekends.

WEEKDAY

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Return the day of the week for a date as a number.

TODAY

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Returns today's date as a serial number, updating automatically each time the workbook recalculates.

NOW

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Returns the current date and time as a serial number, updating each time the workbook recalculates.

DATE

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Creates a date serial number from separate year, month, and day integer values.

TIME

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Creates a time serial number from separate hour, minute, and second values (always between 0 and 1).

DATEDIF

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Calculates the difference between two dates in years, months, or days using a unit code string.

DATEVALUE

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Converts a date stored as text into an Excel date serial number so it can be used in date calculations.

TIMEVALUE

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Converts a time stored as text into a decimal fraction between 0 and 1 representing the time of day.

YEAR

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Extracts the four-digit year from a date value, returning an integer from 1900 to 9999.

MONTH

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Returns the month number (1–12) from a date serial value, useful for grouping or filtering by month.

DAY

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Extracts the day-of-month integer (1–31) from a date value for date arithmetic or display purposes.

HOUR

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Returns the hour component (0–23) from a time or date-time value for time-based analysis.

MINUTE

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Extracts the minute component (0–59) from a time serial value for granular time-based calculations.

SECOND

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Returns the seconds component (0–59) from a time serial number for precise time decomposition.

WEEKNUM

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Returns the week number of the year (1–54) for a date, using a configurable week-start convention.

ISOWEEKNUM

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Returns the ISO 8601 week number (1–53) for a date, where weeks always start on Monday.

WORKDAY

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Returns the date that is a given number of working days before or after a start date, skipping weekends.

WORKDAY.INTL

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Returns a working-day-offset date with custom weekend definitions, supporting non-standard work weeks globally.

NETWORKDAYS.INTL

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Counts working days between two dates with configurable weekend definitions and optional holiday exclusions.

EDATE

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Returns the date exactly N calendar months before or after a start date, landing on the same day of the month.

YEARFRAC

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Calculates the fraction of a year between two dates using a specified day-count basis (e.g. 30/360 or actual/365).

DAYS

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Returns the number of days between two dates as a simple integer, end minus start.

DAYS360

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Calculates days between two dates using a 360-day year (12 months of 30 days), common in financial accounting.

DATESTRING

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Converts a date serial number to a text string in the locale-specific date format (Lotus 1-2-3 compatibility function).

EPOCHTODATE

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Converts a Unix epoch timestamp (seconds since 1970-01-01) to a Google Sheets date-time value (Sheets only).

Statistical

COUNTA

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Count how many cells in a range are not empty — including text, numbers, and errors. Use it to count filled-in entries.

COUNTBLANK

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Count how many cells in a range are empty — handy for spotting missing data before you run a report.

MODE

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Return the most frequently occurring number in a range — the value that appears most often.

AVERAGEA

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Calculates the average of all values in a range, including text (as 0) and logical values. Use when you need non-numeric cells counted.

COUNT

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Counts cells that contain numbers in a range. Text, blanks, and errors are ignored. Essential for tallying numeric entries.

MAX

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Returns the largest numeric value in a range or list of values. Ignores text and logical values. Perfect for finding peaks.

MAXIFS

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Returns the maximum value in a range that meets one or more criteria. Available in Excel 2019+ and Google Sheets.

MAXA

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Returns the largest value in a range including text (as 0) and logical values (TRUE=1). Use when non-numeric cells must be included.

MIN

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Returns the smallest numeric value in a range or list. Ignores text and logical values. Ideal for finding the lowest score or cost.

MINIFS

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Returns the minimum value in a range that meets one or more criteria. Available in Excel 2019+ and Google Sheets.

MINA

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Returns the smallest value in a range including text (as 0) and logical values (TRUE=1). Use when non-numeric cells must be included.

LARGE

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Returns the k-th largest value in a dataset. Use to find the 2nd highest, 3rd highest, etc. without sorting.

SMALL

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Returns the k-th smallest value in a dataset. Complements LARGE for bottom-N analysis and reverse-rank lookups.

RANK.EQ

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Returns the rank of a number in a list, assigning the same rank to ties (same as RANK). Essential for leaderboards.

RANK.AVG

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Returns the rank of a number, averaging ranks for ties. Useful in statistical analysis where tied ranks should not cluster.

PERCENTILE

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Returns the k-th percentile value from a dataset. Useful for performance benchmarking and threshold analysis.

PERCENTRANK

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Returns the rank of a value as a percentage of a dataset. Shows where a specific value falls relative to the whole.

QUARTILE

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Returns the quartile (Q0–Q4) of a dataset. Quickly divides data into four equal parts for distribution analysis.

STDEV

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Estimates standard deviation from a sample, ignoring text and logical values. The classic measure of data spread.

STDEV.P

→

Calculates standard deviation for an entire population (n denominator). Use when you have all data, not just a sample.

STDEV.S

→

Estimates standard deviation for a sample (n-1 denominator). Preferred over legacy STDEV for clarity in modern spreadsheets.

VAR

→

Estimates variance from a sample, ignoring text and logical values. Variance is the square of standard deviation.

VAR.P

→

Calculates variance for an entire population (n denominator). Use when your data is the complete dataset, not a sample.

VAR.S

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Estimates sample variance (n-1 denominator). The modern, explicit replacement for the legacy VAR function.

CORREL

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Returns the Pearson correlation coefficient between two datasets. Measures linear relationship strength from -1 to 1.

COVAR

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Returns the population covariance between two datasets. Measures how two variables change together; foundation for correlation.

FORECAST

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Predicts a future value along a linear trend based on existing x and y data points.

TREND

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Returns predicted y-values along a linear trend for multiple new x-values using least-squares regression.

SLOPE

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Returns the slope of the linear regression line through a set of x and y data points.

INTERCEPT

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Returns the y-intercept of the linear regression line through a set of x and y data points.

TRIMMEAN

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Calculates the mean of a dataset after excluding a specified percentage of extreme high and low values.

FREQUENCY

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Counts how many values fall into each bin of a specified range, returning a vertical array of frequencies.

GEOMEAN

→

Returns the geometric mean of a set of positive numbers, ideal for growth rates and ratios.

HARMEAN

→

Returns the harmonic mean of positive numbers, best suited for rates and speeds.

SKEW

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Returns the skewness of a distribution — how asymmetric it is around the mean.

KURT

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Returns the kurtosis of a dataset, measuring how heavy the tails are relative to a normal distribution.

CONFIDENCE

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Returns the margin of error for a population mean confidence interval using the normal distribution.

NORMDIST

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Returns the normal distribution probability (PDF or CDF) for a given value, mean, and standard deviation.

NORMINV

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Returns the inverse of the normal cumulative distribution for a given probability, mean, and standard deviation.

Information

ISBLANK

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Returns TRUE only when a cell is truly empty (no value, no formula, no space). Differs from =A2="" because ISBLANK treats formula-returned empty strings as not-blank.

ISTEXT

→

Returns TRUE if a value is text, FALSE for numbers, dates, booleans, or errors.

ISERROR

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Returns TRUE if a value is any error type (#N/A, #VALUE!, #REF!, #DIV/0!, etc.), FALSE otherwise.

ISERR

→

Returns TRUE for any error except #N/A; useful when you want to handle #N/A separately.

ISNA

→

Returns TRUE only when a value is the #N/A error, which typically means a lookup found no match.

ISLOGICAL

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Returns TRUE if a value is a logical (Boolean) value: TRUE or FALSE.

ISREF

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Returns TRUE if the argument is a valid cell or range reference, FALSE otherwise.

ISEVEN

→

Returns TRUE if a number is even, FALSE if it is odd. Non-integers are truncated before checking.

ISODD

→

Returns TRUE if a number is odd, FALSE if it is even. Non-integers are truncated before checking.

ISFORMULA

→

Returns TRUE if a cell contains a formula, FALSE if it holds a hard-coded value or is empty.

NA

→

Returns the #N/A error value deliberately, typically to mark missing data or prevent partial chart plotting.

TYPE

→

Returns a number representing the data type: 1=number, 2=text, 4=logical, 8=formula, 16=error, 64=array.

ERROR.TYPE

→

Returns a number identifying which type of error a cell contains; returns #N/A if there is no error.

CELL

→

Returns information about a cell's formatting, location, or contents based on an info_type string.

INFO

→

Returns information about the current operating environment such as OS, Excel version, or calculation mode.

N

→

Converts a value to a number; returns 0 for text, TRUE=1, FALSE=0, dates as serial numbers.

SHEET

→

Returns the sheet number of a referenced sheet or the current sheet if no argument is given.

SHEETS

→

Returns the total number of sheets in a workbook or in a 3D reference range.

Financial

IPMT

→

Returns the interest portion of a loan payment for a specific period in a fixed-rate amortisation schedule.

PPMT

→

Returns the principal portion of a loan payment for a specific period in a fixed-rate amortisation schedule.

FV

→

Calculates the future value of an investment given a constant interest rate, regular payments, and optional present value.

PV

→

Returns the present value of an investment — the lump sum today equivalent to future cash flows at a given discount rate.

NPV

→

Calculates net present value of a series of future cash flows discounted at a given rate, assuming end-of-period timing.

XNPV

→

Calculates net present value for cash flows with irregular (non-periodic) dates using exact date-based discounting.

IRR

→

Returns the internal rate of return for a series of periodic cash flows, assuming equal time intervals between each.

XIRR

→

Returns the internal rate of return for cash flows with irregular dates, using exact date-based discounting.

MIRR

→

Calculates the modified internal rate of return for cash flows with separate finance and reinvestment rates.

RATE

→

Calculates the periodic interest rate of an annuity given number of periods, payment, and present value.

NPER

→

Returns the number of periods required to pay off a loan or reach a savings goal at a fixed interest rate and payment.

EFFECT

→

Converts a nominal annual interest rate to an effective annual rate based on the number of compounding periods.

NOMINAL

→

Converts an effective annual interest rate back to a nominal annual rate for a given number of compounding periods.

SLN

→

Calculates the straight-line depreciation of an asset for one period given cost, salvage value, and useful life.

DB

→

Returns the fixed-declining-balance depreciation of an asset for a specified period using a fixed rate.

DDB

→

Computes double-declining-balance (or variable-rate declining) depreciation for an asset in a specific period.

SYD

→

Calculates sum-of-years'-digits depreciation for a specified period, front-loading expense more moderately than DDB.

CUMIPMT

→

Returns the cumulative interest paid on a loan between two specified periods at a constant interest rate.

CUMPRINC

→

Returns the cumulative principal paid on a loan between two periods at a fixed interest rate.

PDURATION

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Returns the number of periods required for an investment to reach a specified future value at a constant rate.

RRI

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Returns the equivalent interest rate per period for the growth of an investment from present to future value over n periods.

Dynamic Arrays

Database

Engineering

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