Practice mental arithmetic vs Flash Mental Calc

- For all ages! - Evolve intelligence! The app is a generator of arithmetic task, with beautiful graphics that contribute to the involvement of the child in the process. Mental calculations evolve memory, culture of thought, its clarity, clarity and speed, intelligence, ability to find the most rational ways to solve the set goal, self-confidence, help students to fully assimilate subjects not only of the physical and mathematical cycle.  This app helps older people prevention of dementia and other degenerative problems of the Central nervous system.

Boost your mental math skills with Flash Mental Calculation! A simple and effective training app where numbers flash on screen and you calculate the sum as fast as you can. 【Features】 · Addition, Subtraction & Mixed mode · Customizable difficulty (digits, count, speed) · Sound & haptic feedback · Japanese / English / Chinese 【Premium - one-time】 · Mixed mode (addition + subtraction) · Unlimited custom difficulty · Accuracy charts & statistics