# 数学天天练-逻辑思维训练

> 数学天天练-逻辑思维训练 (iPhone/iPad app by 威 彭.)

- Source: https://appshunter.io/ios/app/id6794608088 (this page in markdown: same URL + `.md`)
- Developer: [威 彭](https://appshunter.io/developer/1479162050)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 6 MB
- Languages: American English
- Released: 2026-08-13
- Data updated: 2026-09-21
- User reviews in markdown: https://appshunter.io/ios/app/id6794608088/reviews.md

## What is 数学天天练?

数学运算大全是一款面向学习与工程辅助的本地角度应用——「角」指度量，「象」取单位圆之象。从三角函数、三角形边角互求，到度/弧度/梯度换算与单位圆、波形可视化，再到坡度、方位、时钟夹角等实用场景，并提供公式库、题库练习、限时挑战与错题本，帮助你系统掌握角度相关知识与计算。

【核心功能】
• 工作台式三角计算：sin / cos / tan 与反三角，表达式与滑块联动单位圆、波形
• 几何求解：直角三角形、任意三角形、正多边形边角互求
• 单位换算：度、弧度、梯度；度分秒（DMS）测绘换算
• 可视化：单位圆、正弦余弦波形随角度同步变化
• 专用工具箱：互余互补、两角比较、平均角/相位差、向量/三点夹角、仰角俯角、点旋转、扇形弧长、弦长与弓形、坡度角、坡度百分比、方位角、经纬度方位、时钟夹角、角速度、折射角等
• 公式库：常用角度公式可搜索、复制与收藏
• 练习中心：综合测验、分类专练、60 秒限时挑战、错题本与分类正确率统计
• 本地偏好：小数位数、触感反馈、历史开关；支持清除全部本地数据

【隐私与安全】
全部计算与数据均在设备本地完成，不上传个人信息，无广告、无追踪。首次使用需同意《隐私政策》与《用户协议》。

适合学生复习三角与几何，也适合需要快速换算与校验角度的日常与工程场景。

计算结果仅供学习与辅助参考，不构成专业测绘、工程或安全决策依据。关键用途请自行复核。


## Version history (last 1 release)

### 1.0 — 2026-08-13

No release notes.

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## More apps by 威 彭

- [分贝-测试仪](https://appshunter.io/ios/app/id6797912276)

All apps by 威 彭: https://appshunter.io/developer/1479162050

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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 2026-09-21.*