How to use COS function in Excel

This article describes the formula syntax and usage of the COS function in Microsoft Excel.

How to use ABS function in Excel

This article describes the formula syntax and usage of the ABS function in Microsoft Excel.

How to use YEARFRAC function in Microsoft Excel

This article describes the formula syntax and usage of the YEARFRAC function to get the fraction of the year represented by the number of whole days between two dates in Microsoft Excel.