Common Excel functions, categorized by their primary usage:
Mathematical and Trigonometric Functions
- SUM: Adds all the numbers in a range of cells.
- AVERAGE: Returns the average (arithmetic mean) of the numbers provided.
- SUMIF: Adds the cells specified by a given condition or criteria.
- SUMIFS: Adds the cells specified by a given set of conditions or criteria.
- AVERAGEIF: Returns the average (arithmetic mean) of the cells specified by a given condition or criteria.
- AVERAGEIFS: Returns the average (arithmetic mean) of the cells specified by a given set of conditions or criteria.
- COUNT: Counts the number of cells that contain numbers.
- COUNTA: Counts the number of cells that are not empty.
- COUNTIF: Counts the number of cells that meet a criterion; for example, to count the number of times a particular city appears in a customer list.
- COUNTIFS: Counts the number of cells that meet multiple criteria.
- MIN: Returns the smallest number in a set of values.
- MAX: Returns the largest number in a set of values.
- MINIFS: Returns the smallest number in a set of values, based on one or more criteria.
- MAXIFS: Returns the largest number in a set of values, based on one or more criteria.
- PRODUCT: Multiplies all the numbers given as arguments and returns the product.
- SQRT: Returns the square root of a number.
- POWER: Returns the result of a number raised to a power.
- MOD: Returns the remainder after a number is divided by a divisor.
- ROUND: Rounds a number to a specified number of digits.
- ROUNDUP: Rounds a number up, away from zero.
- ROUNDDOWN: Rounds a number down, towards zero.
- TRUNC: Truncates a number to an integer by removing the fractional part of the number.
- CEILING: Rounds a number up to the nearest integer or to the nearest multiple of significance.
- FLOOR: Rounds a number down to the nearest integer or to the nearest multiple of significance.
- ABS: Returns the absolute value of a number.
Statistical Functions
- MEDIAN: Returns the median of the given numbers.
- MODE: Returns the most frequently occurring value in a set of data.
- STDEV: Estimates standard deviation based on a sample.
- STDEVP: Calculates standard deviation based on the entire population.
- VAR: Estimates variance based on a sample.
- VARP: Calculates variance based on the entire population.
Logical Functions
- IF: Returns one value if a condition is true and another value if it's false.
- AND: Returns TRUE if all its arguments are TRUE.
- OR: Returns TRUE if any argument is TRUE.
- NOT: Reverses the logic of its argument.
- IFERROR: Returns a value you specify if a formula evaluates to an error; otherwise, it returns the result of the formula.
Lookup and Reference Functions
- VLOOKUP: Looks for a value in the leftmost column of a table and returns a value in the same row from a column you specify.
- HLOOKUP: Looks for a value in the top row of a table or array and returns a value in the same column from a row you specify.
- INDEX: Returns the value of an element in a table or array, selected by the row and column number indexes.
- MATCH: Searches for a specified item in a range of cells and then returns the relative position of that item in the range.
- OFFSET: Returns a reference to a range that is a specified number of rows and columns from a cell or range of cells.
- CHOOSE: Chooses a value or action to perform from a list of values, based on an index number.
- INDIRECT: Returns the reference specified by a text string.
- TRANSPOSE: Returns a vertical range of cells as a horizontal range, or vice versa.
Text Functions
- CONCATENATE: Joins several text strings into one text string.
- TEXT: Formats a number and converts it to text.
- LEFT: Returns the first character or characters in a text string, based on the number of characters you specify.
- RIGHT: Returns the last character or characters in a text string, based on the number of characters you specify.
- MID: Returns a specific number of characters from a text string, starting at the position you specify.
- LEN: Returns the number of characters in a text string.
- FIND: Finds one text value within another (case-sensitive).
- SEARCH: Finds one text value within another (not case-sensitive).
- UPPER: Converts text to uppercase.
- LOWER: Converts text to lowercase.
- PROPER: Capitalizes the first letter in each word of a text value.
This list covers many of the commonly used Excel functions. Depending on your specific needs, there are many other specialized functions available in Excel as well.