How to Use Trig Functions in Excel. Excel has built-in functions for sine and cosine, the two core trigonometric functions, and for hyperbolic sine and hyperbolic cosine, their hyperbolic ...

How to Use the Countif & Countifs Functions in Excel. Microsoft Excel 2010 is a powerful spreadsheet program that business owners can utilize to track everything from employee's schedules to ...

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.