One Digit +−×÷ app for iPhone and iPad

4.2 ( 1782 ratings )

Games Entertainment Educational Trivia
Developer: HUEI TAO TSAI

1.99 USD

Current version: 2.3.0, last update: 6 years ago
First release : 06 Dec 2011
App size: 6.44 Mb

Calculus as fast as you can!!!

Lets challenge your brain!!

Bluetooth VS Mode----
Speed Mode:
Compete the speed with another player.

PK Mode:
Compete who tap more umbers with another player.