When you add or subtract currency-formatted numbers, Excel 2013 automatically adopts the currency format for the results. Adding and subtracting figures follows similar procedures, but you must be ...

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

You can't have too many Excel tips. These cover some handy shortcuts, and useful functions for calculation payments or generating random numbers.