Shift has Digits Calculator (iTunes Link) in the iOS App Store for FREE (regularly $3.99) for a limited time.

Get organized! Conquer numbers on the go.

We’re human. We’re busy. We make mistakes. So we designed a calculator for humans, from the ground up. Digits combine the edit-ability of a spreadsheet with the simplicity of calculator. Dare we say it? Digits is a calculator a human can love.

So, why do so many humans love Digits? It’s uniquely correctable tape means never worrying if you entered a calculation correctly. Make a mistake? Tap any entry on the tape to correct it (or edit, insert, copy and more). Then, add a label/comment and email or print the tape.