Lemo Arithmetics

This is Lemo's arithmetics website.

Here you can improve your mental math skills.

Choose from three difficulties and master all of them.

Difficulty:	Easy (Only integer calculations) Medium (Medium decimal calculations) Hard (Hard decimal calculations)
Time in seconds:	30 Seconds 60 Seconds 90 Seconds 120 Seconds 180 Seconds 300 Seconds 600 Seconds
Seed (Optional):

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