This application is designed to help you train your mental skills and is based on a series of methods described in Mental Arithmetics. By practicing mental calculations or calculations with the use of Abacus, you will learn to perform complex calculations quickly. Besides, Mental Arithmetics exercises will help you improve your memory, stimulate both hemispheres of your brain, develop fine motor, visual and hearing skills and enhance your ability to concentrate. Mental Workout offers a number of settings to better tune the application to your level, while mini-games will keep your learning easy and fun.