Calculator

Mental arithmetic against the clock: a sum appears, you type the answer, and the next one follows immediately. Seven kinds of sums, three modes.

Sign in so your games are linked to your account. You then get a daily streak, a level and a history where every single calculation stays available.

Simple multiplication with numbers from 1 to 10.

Multiplication with numbers from 1 to 20.

Multiplication with numbers from 1 to 100.

2 to 3 numbers, only plus and minus, up to 99.

3 to 4 numbers, all operators, up to 99.

4 to 5 numbers, all operators, up to 150, rarely squares.

5 to 6 numbers, all operators, up to 200, rarely squares.