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

This tutorial will show you how to create a Formula to Add, Subtract, Multiply or Divide in Microsoft Excel. You can do basic calculations easily!

Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

How to Add Payroll Hours & Minutes in Excel. Excel considers dates and times as numbers in cells, making calculation difficult. Excel processes 6 AM as "0.25," because it is one quarter of the way ...

You can subtract in Excel by placing a minus sign in front of any numbers you want to deduct. You can add and subtract a bunch of numbers at once using the equal sign or SUM function.