For over a decade, the Raspberry Pi has been the go-to for a variety of creative projects, as it allows you to get started from a blank canvas. It costs about as much as a night out, yet it's powerful ...

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 ...