If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Got a nightmare neighbour story? Tell us in the comments as we explain how to turn detective when you're house hunting.

When fifth-grade teacher Ana Sanchez handed out the math pop quiz Tuesday before lunch and recess, none of the students were excited. No talking allowed, Sanchez reminded her students at Mount Rose ...

Learn how to use the High-Low Method to separate fixed and variable costs efficiently. Discover its applications, limitations, and how to calculate costs.

I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's ...