# Brain Training Calculation Master > Educational app for practicing arithmetic with multiple numeral systems. (iPhone/iPad app by Takahiro Iwatani.) - Source: https://appshunter.io/ios/app/brain-training-calculation-master/id702231884 (this page in markdown: same URL + `.md`) - Developer: [Takahiro Iwatani](https://appshunter.io/developer/702231887) - Category: Education, Games - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 7.0 · 16 MB - Languages: American English, Japanese, Chinese (Traditional, Taiwan) - Released: 2013-10-01 - Data updated: 2026-08-20 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/brain-training-calculation-master/id702231884/reviews.md ## What is Brain Training Calculation Master? Let's improve Math ability in your free time! Play and Repeat this practice, your calculation speed will be so much faster. And, get quick wit with training your brain. +Features - Practice addition, subtraction, and multiplication. - The number of digits can be chosen from 1 to 4 digits. - You can set up the number questions from 10, 30, 50, or 100 questions. - The number buttons arrangement is either "top to bottom", or "bottom to top". - Calculation Character mode has standard Numerals system and PLUS, there are Chinese numeral system, Japanese numeral system and English numeral system. Chinese, Japanese and English version will use your brain more and possible to train quick wit. ## Key features - Addition, subtraction, and multiplication practice - Selectable digit count (1-4 digits) - Customizable question quantity (10, 30, 50, 100) - Adjustable button arrangement - Multiple numeral systems (standard, Chinese, Japanese, English) ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/brain-training-calculation-master/id702231884/reviews.md ### 5/5 — 用着挺好的 *2017-03-16* 感觉这个软件挺不错的 希望练久了可以提高自己的运算能力 ## Frequently asked questions about Brain Training Calculation Master ### What math operations can I practice with Brain Training Calculation Master? Brain Training Calculation Master allows you to practice addition, subtraction, and multiplication. You can choose the number of digits for these calculations, ranging from 1 to 4 digits. ### Can I customize the number of questions in Brain Training Calculation Master? Yes, you can set the number of questions for each practice session to 10, 30, 50, or 100. This flexibility helps tailor the workout to your available time and stamina. ### Does Brain Training Calculation Master support different numeral systems? Yes, in addition to standard numerals, Brain Training Calculation Master offers Chinese, Japanese, and English numeral systems. Using these alternative systems can further challenge your brain and improve quick wit. ### What devices is Brain Training Calculation Master available on? Brain Training Calculation Master is available on iPhone, iPad, and iPod. It is designed for users on Apple's mobile operating systems. ### How often is Brain Training Calculation Master updated? The app was last updated on July 26, 2016, with version 1.5.1. While it has not been updated recently, it remains functional for its intended purpose. ### What is the age rating for Brain Training Calculation Master? Brain Training Calculation Master has an age rating of 4+, making it suitable for young learners and anyone looking to build foundational math skills. ### Does Brain Training Calculation Master have ads? Yes, Brain Training Calculation Master contains advertisements. As it is free to download and use, ads are displayed to support the app's development. ### What do users like about Brain Training Calculation Master? Based on the available rating, users appreciate the app's focus on improving math abilities and calculation speed. The customizable features and unique numeral systems are likely contributors to its positive reception. ## Version history (last 5 releases) ### 1.5.1 — 2016-07-26 This app has been updated by Apple to display the Apple Watch app icon. Improved some functions. ### 1.5.0 — 2015-10-25 Supported iOS9. ### 1.4.1 — 2014-11-01 Improved for iOS8 (64bit). Bug fixed. ### 1.4.0 — 2014-08-20 Modified font images. bug fixed. ### 1.3.0 — 2014-06-15 Added the comment function for Sina Weibo. Game Center function was abolished. Changed the layout of the top screen. ## Apps similar to Brain Training Calculation Master | App | Rating | Price | Category | | --- | --- | --- | --- | | [Brain Test ~Activate~](https://appshunter.io/ios/app/brain-test-activate/id6474924305) | — | Free | Education | | [Wondalearn Chinese Reading](https://appshunter.io/ios/app/wondalearn-chinese-reading/id6503455189) | — | Free | Education | | [记忆力训练营 - 脑力训练，思维提升](https://appshunter.io/ios/app/id6444061624) | — | Free | Education | | [Calculation Sheet - Experiment](https://appshunter.io/ios/app/calculation-sheet-experiment/id1010610865) | 3.5 (2) | Free | Education | | [Kids Math Examinator](https://appshunter.io/ios/app/kids-math-examinator/id1099448822) | — | Free | Education | | [Examtly - AI Study Assistant](https://appshunter.io/ios/app/examtly-ai-study-assistant/id6760541756) | — | Free | Education | ## More apps by Takahiro Iwatani - [Japanese-created training for the Japanese syllabaries](https://appshunter.io/ios/app/japanese-created-training-for-the-japanese-syllabaries/id827638689) - [Sudoku Puzzle FOR EXPERTS](https://appshunter.io/ios/app/sudoku-puzzle-for-experts/id895697136) - [6x6 mini Sudoku Puzzle](https://appshunter.io/ios/app/6x6-mini-sudoku-puzzle/id907716987) - [Japanese pronunciation training created by Japanese people](https://appshunter.io/ios/app/japanese-pronunciation-training-created-by-japanese-people/id969459303) - [Calculator Advance](https://appshunter.io/ios/app/calculator-advance/id1098968291) All apps by Takahiro Iwatani: https://appshunter.io/developer/702231887 --- *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 2026-08-20.*