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

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

Learn how to use basic Formulas for mathematical operations & insert Functions like sum, average, count, max, min, date, time, etc. 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.

When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.

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?