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

Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM, WORKDAY, ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Q. I have an Excel workbook that contains many tabs. We have a “Total” tab, but the formulas to sum all of those tabs gets very complicated. Plus, new worksheets get added and the formulas have to be ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...