Train your brain to calculate faster with Anzan, the Japanese mental math method based on the Soroban abacus.
It's simple: numbers flash on the screen one after another. Add them up in your head, then enter your answer. The more you practice, the sharper your focus, memory and speed become.
🎯 4 LEVELS TO GROW
• Easy: 5 one-digit numbers
• Medium: 10 two-digit numbers
• Hard: 15 three-digit numbers, at 0.5 s
• Custom: build your own challenge
⚙️ A CHALLENGE THAT FITS YOU
• 1 to 5 digits per number
• 3 to 50 numbers per round
• Display speed from 0.2 s to 3 s
• Addition, subtraction or mixed mode
🏆 MOTIVATION AND PROGRESS
• 11 badges to unlock: winning streaks, games played, success rate…
• Detailed stats: correct answers, best streak, history
• Replay the same round to improve
• Share your results with friends and family
✨ COMFORTABLE AND ACCESSIBLE
• Available in English, French and Arabic
• 5 fonts for displaying numbers
• Works offline
• No ads, no account needed
👨👩👧 WHO IS IT FOR?
• Kids learning mental math or the Soroban abacus
• Abacus school students practicing at home
• Adults who want to keep their mind sharp
A few minutes a day is all it takes to see the difference. Ready for the challenge?
Train mental math the Japanese abacus way: flash numbers, badges & stats.