# Triangle Calc A — Shape Calc

> Shape Calc (iPhone/iPad app by kohei yamane.)

- Source: https://appshunter.io/ios/app/triangle-calc-a/id1582200016 (this page in markdown: same URL + `.md`)
- Developer: [kohei yamane](https://appshunter.io/developer/1239055575)
- Category: Productivity, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 26.0 · 0 MB
- Languages: Korean, German (Germany), European Spanish, American English, Japanese, Chinese (Traditional, Taiwan), Brazilian Portuguese, Canadian French
- Released: 2021-08-21
- Data updated: 2026-08-03
- User reviews in markdown: https://appshunter.io/ios/app/triangle-calc-a/id1582200016/reviews.md

## What is Triangle Calc A?

The fastest way to solve Right Triangles.

Triangle Calc A is a minimalist and specialized tool for anyone who needs instant, accurate right triangle calculations. Designed for speed and precision, it eliminates complex menus so you can focus on your work.

Key Features:
■ Specialized for Right Triangles: Just enter two known values to solve the rest:
　・Two sides (Pythagorean theorem)
　・One side and one angle (Trigonometry)
■ Instant Results: Get all sides, angles, Area, and Perimeter immediately.
■ Minimalist Interface: No distractions. Open the app, enter your numbers, and get the answer in seconds.
■ Professional Precision: High-accuracy calculations for engineering, construction, and education.

Perfect for:
■ Construction & Carpentry: Calculating pitches, slopes, and framing layouts.
■ Engineering: Quick geometric verification on-site.
■ Education: A reliable companion for trigonometry homework.


## Version history (last 2 releases)

### 1.1 — 2026-03-26

add animation

### 1.0 — 2021-08-21

No release notes.

## More apps by kohei yamane

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- [抵抗カラーコード](https://appshunter.io/ios/app/id1514922419)

All apps by kohei yamane: https://appshunter.io/developer/1239055575

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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 2026-08-03.*