FlashAnzan vs Abacus

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. 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. CUSTOM PRACTICE Set digits, count, and display time yourself—from slow single digits to 3-digit numbers at 0.3 seconds. IPHONE DUO Big numbers when it's open; fold it in half and the question sits above with the number keys below. Close it and keep practicing on the outer screen. IPHONE, IPAD AND MAC Works on iPhone, iPad and Mac, 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.

Abacus+ is a trainer for practicing abacus calculation. If you are just starting out, the app includes lessons that explain how to count on the abacus. Then move on to practice. Lessons Short, clear lessons show how the abacus works and how to count on it. Trainer Set up your practice to match your level and goals: - number digit length, from simple to more complex examples; - alternating paired numbers to practice techniques; - display speed, so you can find a comfortable pace and gradually speed up; - carries through 5 and 10, to train the hardest operations separately. Who it's for Kids and adults learning the abacus, practicing mental arithmetic, or keeping their counting skills sharp. Practice at your own pace, whenever it suits you, and come back every day.