I don’t use Microsoft Excel all that often, so it remains a bit of a mystery to me. I can enter text and create graphs and that’s basically it. That’s why I’ve set myself a goal to learn one new Excel ...

Numbers on iPhone is a free, mobile alternative to Microsoft Excel that lets you create multiple spreadsheets, add interactive graphs, and more.

It's easy to divide in Excel to make calculations and analyze data in a spreadsheet. Here's what you need to know to do it.