SpeedBoo app for iPhone and iPad


4.0 ( 1180 ratings )
Health & Fitness Education
Developer: Volkmer-Matthias Jotzo
0.99 USD
Current version: 1.0.1, last update: 7 years ago
First release : 18 Jan 2015
App size: 4.66 Mb

SpeedBoo helps you to train your ability of mental arithmetic with an emphasis on multiplication. 93 x 97 will soon be an assignment for which you have the correct solution in just a few seconds. That is, because the app provides you next to an endless number of assignments also with some very clever tricks to handle them without a calculator in a reasonable time.

The app leads you from simple calculations step by step to higher level tasks. And its up to you how fast you want to go ahead.

So, have fun and impress you friends and colleagues with mental arithmetic soon.