Q. I was excited to see the article about ways to calculate depreciation in Excel, especially when I saw one of them was double-declining balance (DDB). As tax professionals, we’re always trying to ...

LAMBDA lets you turn repeated Excel logic into reusable functions that update automatically across your entire workbook.

Excel formulas don’t have to be ugly.

A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand -- of a variable, typically sales. For example, a beachfront ...