You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.

It's easy to divide in Excel to make calculations and analyze data in a spreadsheet. Here's what you need to know to do it.

A steady hand. No compass. No tracing. Just pure focus. In this challenge, I attempt to draw the perfect circle completely ...

One pen. One line. No breaks. In this wild drawing challenge, I attempt the impossible: creating an entire piece of art using only ONE continuous line… for a full hour. No lifting the pen, no undo ...