# Written Calc

> Educational app for grading 3-digit by 3-digit multiplication homework with written steps. (iPhone/iPad app by Kouichi INAFUKU.)

- Source: https://appshunter.io/ios/app/written-calc/id1205243975 (this page in markdown: same URL + `.md`)
- Developer: [Kouichi INAFUKU](https://appshunter.io/developer/438372899)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 9.3 · 16 MB
- Languages: American English, Japanese
- Released: 2017-02-14
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/written-calc/id1205243975/reviews.md

## What is Written Calc?

3桁×3桁の掛け算を筆算を含めた解答を表示します
子どもの宿題の採点時にご利用ください！

## Key features

- Displays written calculation steps
- Solves 3-digit by 3-digit multiplication
- Assists with homework grading
- Free to use

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/written-calc/id1205243975/reviews.md

### 2/5 — あの……

*2018-12-28*

かけ算ができるのはいいんだけど割り算もできるようにして欲しいあと3けただけじゃなくて5けたまでできると嬉しいです
あと小数点とかって出来ますか？
出来ないならできるようにして欲しいな

### 5/5 — 便利です

*2017-10-15*

子供の宿題用に探していました。
途中の計算を間違えて答えが違うこともあるので筆算の計算過程が見えると間違えてる場所がすぐにわかるのでとても重宝します。
ただし、ボタンの音がうるさいですね。
ミュートに設定できたので良かったですが最初分からず困ってました

## Frequently asked questions about Written Calc

### What kind of math problems does Written Calc solve?

Written Calc specifically solves 3-digit by 3-digit multiplication problems, showing the detailed written calculation steps.

### Who is Written Calc intended for?

This app is designed for parents to use when grading their children's math homework, particularly for multiplication exercises.

### Does Written Calc support offline play?

As a utility app for calculations, Written Calc does not require an internet connection to function, allowing for offline use.

### What is the learning methodology of Written Calc?

The app's methodology focuses on visualizing the step-by-step process of written multiplication, aiding understanding and verification.

### How does Written Calc track progress?

Written Calc does not have a built-in progress tracking system; it is a tool for verifying individual homework problems.

### Does Written Calc offer certifications?

No, Written Calc is a supplementary tool for homework grading and does not offer any form of certification.

### What devices does Written Calc support?

Written Calc is available for iPhone and iPod devices.

### Does Written Calc have ads?

No, Written Calc does not contain advertisements.

## Version history (last 1 release)

### 1.0.0 — 2017-02-14

This app has been updated by Apple to display the Apple Watch app icon.

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All apps by Kouichi INAFUKU: https://appshunter.io/developer/438372899

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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 2026-08-15.*