Exact Values: Trig Drill
教育
免费 · 专为 iPad 设计。未针对 macOS 验证。
Exact Values is a focused drill-trainer for the trigonometric values every maths student needs to know cold: sin, cos, and tan at 0°, 30°, 45°, 60°, 90° (and their radian equivalents).
WHY THIS APP
• 15 values × repetition = mastery. That's the whole secret.
• Daily reminder nudges you to a 2-minute drill — that's all it takes.
• Offline. No login. No ads. No tracking.
• One-time purchase, $4.99. Yours forever.
FEATURES
• 10-question quiz rounds drawn from the 15 special-angle values
• Optional 5-second per-question timer for exam-pace practice
• Toggle radians on or off (π/6, π/4, π/3, π/2)
• Accepts both 1/√2 and √2/2 — equivalents are equivalents
• Per-question accuracy charts so you see what to drill next
• Streak tracking — keep the chain alive
• Daily reminder notification at the time you choose
• Built for iPhone and iPad
PRIVACY
Your stats live on your device. We collect nothing. No accounts, no servers, no analytics. Open the app, drill the values, close the app.
Companion to https://www.exact-values.com/
评分及评论
- 此 App 尚未收到足够的评分或评论，无法显示整体评分。
New: spoken answers. The correct value is now read aloud after every question, so the right answer sticks. Toggle it on or off in Settings.
开发者“YUNJIAN NI”已表明该 App 的隐私规范可能包括下述数据处理方式。更多相关信息，请参阅 开发者隐私政策 。
未收集数据
开发者不会从此 App 中收集任何数据。
辅助功能
开发者尚未表明此 App 支持哪些辅助功能。 进一步了解
信息
- 提供者
- YUNJIAN NI
- 大小
- 3.2 MB
- 类别
- 教育
- 兼容性
设备需装有 iOS 17.0 或更高版本。
- iPhone
设备需装有 iOS 17.0 或更高版本。 - iPad
设备需装有 iPadOS 17.0 或更高版本。 - Mac
需要 macOS 14.0 或更高版本以及装有 Apple M1 或更高版本芯片的 Mac。 - Apple Vision
设备需装有 visionOS 1.0 或更高版本。
- iPhone
- 语言
- 英语
- 年龄分级
4+
- 4+
- 版权
- © 2026 Yunjian Ni