How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.| support.microsoft.com
Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.| support.microsoft.com
The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.| support.microsoft.com
Formulas can sometimes result in error values in addition to returning unintended results. Learn about best practices to avoid those problems.| support.microsoft.com
Lists all Excel functions by their category, such as Logical functions or Text functions.| support.microsoft.com
A complete list of all Excel functions in alphabetical order.| support.microsoft.com
You can use error checking to detect errors in formulas. The rules don't guarantee error-free worksheets, but they can help find common mistakes. Errors can include: Cells containing formulas that result in an error, inconsistent calculated column formula in tables, cells containing years represented as 2 digits, numbers formatted as text or preceded by an apostrophe, formulas inconsistent with other formulas in the region, formulas which omit cells in a region, unlocked cells containing form...| support.microsoft.com
How to use the COUNTIF function in Excel to count the number of cells that meet values you set.| support.microsoft.com
Syntax: COUNTA(value1,value2,...)| support.microsoft.com