Mental Arithmetic: Mathematica

How many times a day do you unlock?

On average, 100 times a day.

When unlocking, try easy mental arithmetic.

It helps your brain develop with 100 mental arithmetic a day.

Keep your brain healthy with the first-screen mental arithmetic habit.

[Major Functions]

- When unlocking, first screen mental arithmetic

- Provide the calculation of the rules (Addition, subtraction, division, multiplication)

- The level of difficulty will be adjusted automatically according to the user's level.

- Mental arithmetic tips