# RadixPico: Number Base Quiz — Arithmetic in bases 2–10

> Arithmetic in bases 2–10 (iPhone/iPad app by SHUZO HASEGAWA.)

- Source: https://appshunter.io/ios/app/radixpico-number-base-quiz/id6826133972 (this page in markdown: same URL + `.md`)
- Developer: [SHUZO HASEGAWA](https://appshunter.io/developer/6817604447)
- Category: Games, Education, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 16 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), European Spanish
- Released: 2026-10-26
- Data updated: 2026-10-29

## What is RadixPico?

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.

## Is RadixPico safe?

Not enough ratings yet to assess RadixPico.

## Is RadixPico legit?

RadixPico: Number Base Quiz appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for RadixPico is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-27

No release notes.

## More apps by SHUZO HASEGAWA

- [4D Minesweeper](https://appshunter.io/ios/app/4d-minesweeper/id6817604445)
- [ヘンテコ将棋](https://appshunter.io/ios/app/id6819024277)
- [日本地図一筆書き : 目指せ日本地図マスター!!](https://appshunter.io/ios/app/id6823227673)

All apps by SHUZO HASEGAWA: https://appshunter.io/developer/6817604447

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-29.*