# tripleCalculator

> A multi-calculator app with integrated formula display and history. (iPhone/iPad app by Jirou Fukuda.)

- Source: https://appshunter.io/ios/app/triplecalculator/id1141789970 (this page in markdown: same URL + `.md`)
- Developer: [Jirou Fukuda](https://appshunter.io/developer/689603483)
- Category: Business, Productivity
- Price: Free
- Rating: 4.50/5 from 4 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 6 MB
- Languages: English, Japanese
- Released: 2016-09-06
- Data updated: 2026-06-03
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/triplecalculator/id1141789970/reviews.md

## What is tripleCalculator?

Three of the calculator is the emergence of useful calculator summarized in one.
Touched calculator quickly appeared lightly input!
Only also touch switching of the calculator!
You do not need something memory function so the calculation results of each of the calculator can be used in the rest of the calculator!
Switching at the touch of a button just to the calculator when it is in the way is using!
Formula is displayed! Also think remains of editing of the equation!
It can be switched to function calculator in the "fx" key!
History function implementation. Rest assured return to the past of the formula or value by simply swiping the screen!

## Key features

- Three calculators in one
- Easy calculator switching
- Calculation results transferable
- Formula display and editing
- Function calculator mode (fx)
- History swipe function

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/triplecalculator/id1141789970/reviews.md

### 5/5 — 数学苦手な私にもベリーグッド

*2018-06-01, version 3.0*

私は数学が大の苦手ですが、三段に計算結果が表示され、とても見やすく、便利です！😃👍

### 5/5 — 使っていて楽しい

*2018-01-03, version 3.0*

軽快に使えてとても気持ちいい。電卓が複数あるとこんなに便利なのかと思った。

### 4/5 — いいね！

*2017-04-10, version 1.3*

こんな計算機が欲しかったのでいい感じですね！

### 5/5 — 地味に超便利‼︎

*2016-10-15, version 1.3*

計算結果紙にメモったりしなくてもよくなった！！
感激！
デザインもいい！！

## Frequently asked questions about tripleCalculator

### Does tripleCalculator have ads?

Yes, tripleCalculator contains advertisements. This allows the app to remain free for users.

### What devices does tripleCalculator support?

tripleCalculator is available on iPhone, iPad, and iPod.

### What is the age rating for tripleCalculator?

tripleCalculator has an age rating of 4+.

### How often is tripleCalculator updated?

The latest version of tripleCalculator was released on March 20, 2021. Previous updates suggest a variable update frequency.

### Can I edit past calculations in tripleCalculator?

Yes, tripleCalculator allows for editing of equations and displays formulas, enabling you to revisit and modify past calculations.

### How does tripleCalculator handle calculation history?

tripleCalculator features a history function where you can return to past formulas or values by simply swiping the screen.

### What is the user sentiment for tripleCalculator based on ratings?

tripleCalculator has a high average rating of 4.5 stars from 4 ratings, indicating positive user reception.

### Is tripleCalculator free to download?

Yes, tripleCalculator is available for free download.

## Version history (last 5 releases)

### 3.2 — 2021-03-20

bug fixed.

### 3.1 — 2020-05-10

bug fixed.

### 3.0 — 2018-01-02

Revamp of design.
Improvement of many functions.
bug fixed.

### 2.1 — 2017-06-12

bug fix.

### 2.0 — 2017-04-25

Change of internal data structure.
Improvement of calculation accuracy. (Example : 1÷3×3 = 1)
bug fix.

## Apps similar to tripleCalculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [岐阜文芸社](https://appshunter.io/ios/app/id1494439186) | — | Free | Business |
| [直角三角形の斜辺の長さ計算電卓](https://appshunter.io/ios/app/id556849947) | — | $0.99 | Business |

## More apps by Jirou Fukuda

- [gDraw](https://appshunter.io/ios/app/gdraw/id689603480)
- [gDrawLite](https://appshunter.io/ios/app/gdrawlite/id792288727)
- [gDrawPro](https://appshunter.io/ios/app/gdrawpro/id907360838)
- [RationalNumberCalculator](https://appshunter.io/ios/app/rationalnumbercalculator/id998791093)
- [SquareRootCalculator](https://appshunter.io/ios/app/squarerootcalculator/id1260411892)

All apps by Jirou Fukuda: https://appshunter.io/developer/689603483

## Related topics

[jirou fukuda](https://appshunter.io/ios/topics/jirou-fukuda)

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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 2026-06-03.*