The Autosum function can be used to add or sum Time in Microsoft Excel. You can add hours and calculate the total time in Excel.

How to Do the Sum of an Indefinite Series in Excel. The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet.

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

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 ...

Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula?