Most spreadsheet applications are able to perform various numerical operations to quickly manipulate the data you enter in the cells. If you use Apple’s Numbers to create and edit spreadsheets, you’ll be able to use formulas right from your iPhone and iPad.

Numbers, just like any other spreadsheet application features built-in functions and formulas to make calculations a lot easier. This eliminates the need to use a calculator for doing your math. In Numbers, formulas provide calculated values based on the contents of the cells you select in your…