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

Use SUM function to quickly calculate the sum

01:31
Use SUM function to quickly calculate the sum

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

01:34
A quick way to calculate sum, average, count, max, and min

Use IF function to judge data

01:48
Use IF function to judge data

Use Date function to convert date format

01:50
Use Date function to convert date format

How to use the FILTER Function

03:14
How to use the FILTER Function

Use COUNTIF function for conditional statistics

01:32
Use COUNTIF function for conditional statistics

AVERAGE function quickly average data

00:57
AVERAGE function quickly average data

Use COUNT function to count the number of cells with parameters

01:20
Use COUNT function to count the number of cells with parameters

Use the Today function to quickly calculate days between dates

01:57
Use the Today function to quickly calculate days between dates

Use the DATEDIF function to calculate the intervals of dates

03:12
Use the DATEDIF function to calculate the intervals of dates

03:09

SUBTOTAL function: Calculate the data with the hidden value

02:33
SUBTOTAL function: Calculate the data with the hidden value

How to use the VLOOKUP function

04:29
How to use the VLOOKUP function

Use SUMIFS function with multiple criteria

02:27
Use SUMIFS function with multiple criteria

Use the ROUND function to round decimals quickly

01:57