Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Let's see how the MAP function works.

Following a successful Kickstarter last year, a combination tuner, string winder and metronome is now available to buy. There ...

Learn to create a yield curve in Excel and understand its implications for interest rate forecasting. Follow our simple guide ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...