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Lemo Arithmetics

This is Lemo's arithmetics website.

Here you can improve your mental math skills.

Currently we have developed the following two games:

Arithmetic Game Coin Game

If you find a bug, or have any suggestions, feel free to e-mail us.

This is the arithmetic game. Here you have to perform a
variety of mental math problems. There are 3 different
difficulties, each one is significantly harder than the last one

Easy (Only integer calculations)
Medium (Medium decimal calculations)
Hard (Hard decimal calculations)

This is the coin game. Here you have to sum the
values of a bunch of coins. Currently, only the
EUR currency is supported, more will be added in
the near future.

Start Game