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

After you've assembled all your financial data and created a worksheet to contain your income in one column and your expenses in another, you can use Excel's "SUM" function to create a formula to ...

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!

Using Excel as a scheduling tool is a great skill to have under your belt. Learn how to use SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions.

For example, the SUM function accepts two numbers and returns a number. Functions of different categories in Excel often return the same data type.

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