There are 16 free training tutorials of how to use office suite for Functions and Formulas

How to use the FILTER Function

How to use the VLOOKUP function

The Advanced XLOOKUP Function

A quick way to calculate sum, average, count, max, and min

How to make a simple lottery through the RANDBETWEEN Function?

Use SUM function to quickly calculate the sum

Use Date function to convert date format

Use the Today function to quickly calculate days between dates

Use the text function to extract characters in cells

Use COUNTIF function for conditional statistics

Use the DATEDIF function to calculate the intervals of dates

Look up data quickly with LOOKUP function

How can we use RANK function

Use IF function to judge data

AVERAGE function quickly average data

Use COUNT function to count the number of cells with parameters