Functions
A function is a ready-made formula built into Excel. It performs a complex calculation with one short word.
Function structure
=NAME(arguments). For example, =SUM(B2:B5): SUM is the function name and B2:B5 is the argument. Separate multiple arguments with commas (semicolons in some locales).
Must-know functions
SUM adds, AVERAGE averages, MAX and MIN find the largest and smallest, COUNT counts numbers, IF returns a conditional result, VLOOKUP looks things up in a table.
Typing a function
Type = and the start of the name — Excel suggests a list; pick with Tab. After the opening parenthesis an argument tooltip appears.
Try it in the simulator
Type =AVERAGE(B2:B5) into B6 and =MAX(B2:B5) into B7. Label A6 and A7.
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