# 工程几何计算器 - 多边形面积、三角形函数边长角度

> Geometric area and triangle solver with unit conversion and numeric keypad. (iPhone/iPad app by 境 饶.)

- Source: https://appshunter.io/ios/app/id1054766479 (this page in markdown: same URL + `.md`)
- Developer: [境 饶](https://appshunter.io/developer/935275144)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 4.40/5 from 9 App Store ratings · 46 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 24 MB
- Languages: American English, Czech, Dutch, French (France), German (Germany), Italian, Japanese, Korean, Polish, European Portuguese and 6 more
- Released: 2015-11-09
- Data updated: 2026-09-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/id1054766479/reviews.md

## What is 工程几何计算器?

## 简单实用的计算器 ##

几何面积计算：填入几何参数，直接算出面积。

三角形边角计算：填入任意三个参数，算出剩余的参数。

主要特色：
1、单位换算：让数值方便地在毫米、厘米、米、千米之间转换。
2、方便输入：提供独立的数字键盘，高效完成输入。

## Key features

- Polygon area calculation
- Triangle side and angle solver
- Unit conversion (mm, cm, m, km)
- Dedicated numeric keypad
- Simple and practical interface

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 去除广告 | $0.99 | one-time |


## Recent user reviews (10 of 46)

All indexed reviews: https://appshunter.io/ios/app/id1054766479/reviews.md

### 5/5 — 好用

*2026-06-13*

好用

### 1/5 — 文字全無

*2026-05-25, version 1.0.1*

我課了會員後沒多久app中文字全部變方格，使用上非常困難

### 1/5 — 更新iOS 26後，APP字體看不到

*2025-10-30, version 1.0.1*

更新iOS 26後，APP字體看不到

### 1/5 — 付費不是永久使用

*2025-06-02, version 1.0.1*

我已經付費買過了，現在我付費去廣告！請注意⚠️

### 5/5 — 好用

*2025-05-07, version 1.0.1*

操作簡單

### 3/5 — 亂碼

*2024-11-17, version 1.0.1*

換了iPhone 16後主頁都是亂碼，目前都無法使用，請問能有什麼辦法嗎

### 2/5 — 異常

*2024-08-28, version 1.0.1*

Apps經常彈出

### 5/5 — 非常不錯的APP

*2023-09-25, version 1.0.1*

好用簡單明瞭

### 5/5 — 좋아요

*2022-11-12, version 1.0.1*

사용하기 편해요! 추천드립니다

### 3/5 — 致开发者的一封信

*2022-09-04*

你好，本软件的开发者，我对于你设计的这个软件提出一个改进建议，希望你采纳并更新：我在使用软件过程中发现该软件只能计算各种几何图形的面积，而我希望得到它们的周长，能否开发周长计算呢？
望收到回复

## Frequently asked questions about 工程几何计算器

### What is 工程几何计算器 used for?

工程几何计算器 is a utility app designed for calculating the areas of polygons and solving for unknown sides and angles in triangles. It also features unit conversion capabilities.

### Does 工程几何计算器 have ads?

No, 工程几何计算器 does not contain advertisements. It is a free application with no ads.

### What devices support 工程几何计算器?

工程几何计算器 is available for iPhone, iPad, and iPod devices.

### How often is 工程几何计算器 updated?

The application was last updated on November 9, 2015, with version 1.0.1. Further update frequency information is not available.

### What is the age rating for 工程几何计算器?

工程几何计算器 has an age rating of 4+, making it suitable for a wide range of users.

### What are the unit conversion options in 工程几何计算器?

工程几何计算器 allows you to convert values between millimeters, centimeters, meters, and kilometers.

### What is the user rating for 工程几何计算器?

工程几何计算器 has an average rating of 4.3 stars based on 7 user ratings.

### Can 工程几何计算器 solve for any triangle parameters?

Yes, if you input any three parameters of a triangle, 工程几何计算器 can calculate the remaining sides and angles.

## Version history (last 1 release)

### 1.0.1 — 2015-11-09

Apple 已更新此 App 以显示 Apple Watch App 图标。

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All apps by 境 饶: https://appshunter.io/developer/935275144

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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 2026-09-02.*