In a cell, type an equal sign (=) and the function you want to use.
Throughout the editing process, a function help box will appear to give you with a definition of the function and its syntax, as well as an example for reference.
data functions assist you in locating specific data from your data lists. You can use a data function to discover an employee's location in a worksheet if you have a worksheet with a list of a thousand of your employees and their ages.
Despite the fact that every Excel feature has a use case, no one uses every Excel feature. After sifting through the 500+ functions, there are only about 100 or so actually useful features and functions for the majority of current knowledge workers.
Maintain a tight and efficient data structure. Then, to share your findings, use charts, graphs, and PivotTables. Make it a habit to write your formulas with fixed cell references. This makes it easier to copy, paste, and reuse formulas throughout the worksheet, as well as reducing errors.