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Историческую версию Turbocalc можно получить на Android
Измеряйте и улучшайте свою умственную арифметическую скорость.
Turbocalc is a way to measure your mental arithmetic speed. There are addition, subtraction, multiplication modes in 2 to 5 digit numbers, find the answers as fast you possible and you can publish your score on the online scoreboard. It is sure that frequent playing will speed up calculation appreciably in all ages, which helps in daily life. Start training your brain for faster mental calculation with Turbocalc now.