Alexander Bobenko has spent the past 20 years chewing on mathematical doughnuts. In the 2000s, he tried to prove that compact ...

Replace manual Excel tasks with conditional columns, smart merging, the unpivot tool, and more.

It may be a surprise to learn that you can define names of cells in Microsoft Excel instead of using the letter and number combinations. This makes it friendlier to read and understand. For example, ...