Practice mental arithmetic vs FlashAnzan

- 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.

Practice flash anzan (flash mental arithmetic) in the same format as the Japanese grading exam—and climb the ranks. GRADED MODE (30 RANKS, KYU 10 TO DAN 20) Each rank uses the exam's total-time format: numbers flash within a fixed total time, you answer 10 problems, and 70 points is a pass. Kyu 10–8 are free, and every higher rank includes one free try. A single one-time purchase unlocks all ranks (no subscription). YOUR GRADE IS KEPT Your best rank is recorded on the device and in iCloud, so it follows you to a new device. ANSWER BY VOICE Type on the number pad, or just say the answer. Speech recognition runs entirely on your device—your voice is never sent anywhere. FREE PRACTICE Set digits, count, and display time yourself—from slow single digits to 3-digit numbers at 0.3 seconds. IPHONE, IPAD AND MAC One purchase covers all three, and your grade follows you between them through iCloud. No ads. Available in nine languages: English, Japanese, Chinese (Simplified and Traditional), Korean, German, Spanish, French and Brazilian Portuguese. Note: This app is not affiliated with or endorsed by any certification body.