Google Sheets offers many of the same features as Microsoft Excel. The SUMIF function allows you to quickly sum rows that meet certain criteria.

How to Enter Equations Into a Google Spreadsheet. As you start out in any kind of venture, like a new business or project, having access to a spreadsheet program is invaluable.

Most users are unaware that Google Spreadsheets, a part of Google Docs, the online productivity suite that's free for individuals, has a majority of the features users look for in Microsoft Excel ...

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