Numerix is a combination of a math game and a teaching app.
If you have a bit of free time and you'd like to spend it meaningfully, then give your brian a bit of training and solve simple math problems.
It sounds simple, but it's not that easy!
You can pick what kind of math problems you'd like to solve (additions, subtractions, multiplications, divisions).
You have to solve each problem within a given time.
Achieve the best score and get ahead of your friends!