drillio: Flash Anzan & Math

By Ryo Iida on AppTrack Ninja.

Soroban Mental Math Training

drillio helps you build real mental math skills with soroban-style flash anzan and arithmetic drills. 41 flash anzan levels (from beginner to 20th dan) and 278 arithmetic lessons. All core learning is free. FLASH ANZAN - 41 levels: beginner, 20th kyu to 1st kyu, then 1st to 20th dan - Master a level by answering correctly 10 times, and earn a certificate - Frame-accurate display timing, so even the fastest flashes are shown precisely - Custom mode: choose your own digits, number of terms and display time - Your fastest answer is saved automatically ARITHMETIC DRILLS - 278 lessons in addition,…

Categories: Education, Productivity

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