How to Calculate T-Value From Mean & Standard Deviation in Excel. Calculate t-values in your Microsoft Excel spreadsheet by combining built-in functions with custom formulas. T-values, also known ...

How to Make Excel Calculate Faster. Whenever you change something on a Microsoft Excel 2010 spreadsheet, the program will recalculate some of the cells in the worksheet, even some of those that ...

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.