Apple did not bundle a calculator app with the iPad, but Shift Apps is ready to fill the void. The company’s new iPad app, Digits Calculator, is a minimalistic and simple calculator app that ...

Since the early 1970s, Hewlett-Packard pocket calculators have proved popular with students, scientists and engineers. Most of their scientific calculators let you show more digits after the zero. For ...

Digits is a tape calculator for iPhone and iPad that combines the flexibility of a text editor with the brains of a calculator. Digits 3 is “a top-to-bottom rewrite” and the new version is out today.