It almost goes without saying that some sort of office productivity suite is required for a new Mac system, and while some might gravitate to Microsoft Office there are others available that can ...

Calculate the difference between two values in your Microsoft Excel worksheet. Excel provides one general formula that finds the difference between numbers, dates and times. It also provides some ...

In my review of Numbers ’09, I included a tip about entering formulas using the keyboard. In the event that not all of you choose to read the Numbers review from top to bottom, here’s the tip, along ...

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.