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

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. If your business uses ...

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

So you export the relevant data into Excel, where you use the SUMIF function [SUMIF (range, criterion, sum_range)] to cull and add up the sales transactions for each salesperson. It’s clear this ...

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

Formulas in Excel start with an equal sign (=), then continues with either a function name (SUM, COUNT, IF) or math operators and numbers. If we were to dissect this formula: ...

The SUMIF function provides a quick and simple way to create a sum based on a specific criterion, such as the type of audit.

This is where the number-crunching fun starts. Learn the ins and outs of the logical formulas that represent the heart of Excel.