While that’s a frustrating fact of life in general, it does make for some fun brainteasers! Take this “how many squares” ...

To sign within Google Docs, go to Insert, then Drawing, then New. A box will appear for you to draw in. Just go to the menu ...

Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.