https://www.w3schools.com/excel/excel_functions.php

Function	Description
=AND	Returns TRUE or FALSE based on two or more conditions
=AVERAGE	Calculates the average (arithmetic mean)
=AVERAGEIF	Calculates the average of a range based on a TRUE or FALSE condition
=AVERAGEIFS	Calculates the average of a range based on one or more TRUE/FALSE conditions
=CONCAT	Links together the content of multiple cells
=COUNT	Counts cells with numbers in a range
=COUNTA	Counts all cells in a range that has values, both numbers and letters
=COUNTBLANK	Counts blank cells in a range
=COUNTIF	Counts cells as specified
=COUNTIFS	Counts cells in a range based on one or more TRUE or FALSE condition
=IF	Returns values based on a TRUE or FALSE condition
=IFS	Returns values based on one or more TRUE or FALSE conditions
=LEFT	Returns values from the left side of a cell
=LOWER	Reformats content to lowercase
=MAX	Returns the highest value in a range
=MEDIAN	Returns the middle value in the data
=MIN	Returns the lowest value in a range
=MODE	Finds the number seen most times. The function always returns a single number
=NPV	The NPV function is used to calculate the Net Present Value (NPV)
=OR	Returns TRUE or FALSE based on two or more conditions
=RAND	Generates a random number
=RIGHT	Returns values from the right side of a cell
=STDEV.P	Calculates the Standard Deviation (Std) for the entire population
=STDEV.S	Calculates the Standard Deviation (Std) for a sample
=SUM	Adds together numbers in a range
=SUMIF	Calculates the sum of values in a range based on a TRUE or FALSE condition
=SUMIFS	Calculates the sum of a range based on one or more TRUE or FALSE condition
=TRIM	Removes irregular spacing, leaving one space between each value
=VLOOKUP	Allows vertical searches for values in a table
=XOR	Returns TRUE or FALSE based on two or more conditions

蔡佩臻w3shools的EXCEL函數

計算機，有STYLE下面的BODY{....}的設定刪掉，然後就會出現計算機。