A mobile app to test your mathematical skills under time pressure.
Guess if the sum is true or false before your time runs out.
To get to the next level you need a highscore of 20 on the previous level.
A mobile app to test your mathematical skills under time pressure.
Guess if the sum is true or false before your time runs out.
To get to the next level you need a highscore of 20 on the previous level.