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Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day. WHY NUMBIO? • Practice that adapts to you: difficulty scales from Easy to Extreme as you improve. • Bite-sized sessions for any schedule: a 60-second speed test or a full training plan. • Actually fun: turn drills into a game and keep your daily streak alive. PRACTICE EVERYTHING • Free core arithmetic: …

Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day.

WHY NUMBIO?
• Practice that adapts to you: difficulty scales from Easy to Extreme as you improve.
• Bite-sized sessions for any schedule: a 60-second speed test or a full training plan.
• Actually fun: turn drills into a game and keep your daily streak alive.

PRACTICE EVERYTHING
• Free core arithmetic: addition, subtraction, multiplication & division
• Times tables, digit sums, mixed expressions & chained operations*
• Word problems, equations, rule of three, fractions, GCD & LCM*
• Advanced operations: percentages, squares, square roots & modulo*
• Every number type: decimals, money, fractions, binary, Roman numerals & more*
• Build your own custom training plans: practice exactly what you want*

LEARN THE TRICKS
• Step-by-step mental-math tricks and shortcuts that make hard sums easy
• Practice any trick right away with a matching, ready-made drill*
• A personalized "For You" feed that suggests what to learn next*

PLAY & COMPETE
• Brain-teasing games: Number Hunt, Magic Square, Sudoku & Mini Sudoku
• Climb Game Center leaderboards and unlock dozens of achievements

TRACK YOUR PROGRESS
• Build daily streaks and hit personal goals that keep you coming back
• Earn XP and level up through ten ranks, from Bronze to Diamond
• Watch your speed and accuracy climb with detailed stats and personal bests
• Set daily reminders so you never break your streak

ON ALL YOUR DEVICES
• Cross-device sync keeps your progress in step wherever you practice
• Jump in within seconds from Home Screen and Lock Screen widgets
• Family Sharing: share Numbio Pro with up to five family members
• Available in 29 languages

PERFECT FOR
Students building arithmetic confidence • Test-takers prepping for GMAT, GRE & entrance exams • Professionals staying sharp • Parents and kids learning times tables • Anyone who loves a good number puzzle

Join thousands of learners worldwide sharpening their mental math with Numbio.

Questions or feedback? We'd love to hear from you at hello@numbio.com.

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* Requires a Numbio Pro subscription.