RadixPico: Number Base Quiz

What if 1 + 1 = 10? In binary, it does! Change the number base, and familiar arithmetic becomes a fresh puzzle. Number Base Quiz: Math Evolved challenges you to add, subtract, and multiply in bases 2 through 10. Explore new ways to represent numbers as you work through carries, borrowing, and more. FOUR DIFFICULTY LEVELS Progress from simple addition and subtraction to multiplication and calculations with more digits. Choose the level that suits you and take on a tougher challenge when you are ready. TIME ATTACK How quickly can you solve 10 questions? You have 300 seconds to finish. Aim for each level’s target time and improve your personal best. PRACTICE MODE Take your time with no countdown or time limit. Skip a tricky question and keep practicing at your own pace. LEADERBOARDS See the top 20 players at each level. Sharpen your skills and work your way up the rankings. HELPFUL NUMBER KEYS Only the digits available in the current number base can be entered. Subtraction questions can also have zero or negative answers. FIVE LANGUAGES Switch between Japanese, English, Simplified Chinese, Korean, and Spanish in the app’s settings. See familiar arithmetic from a new perspective. Your next 10-question challenge is waiting! The app includes addition, subtraction, and multiplication. Division is not included. An internet connection is required to submit scores and view leaderboards.