Exact Values: Trig Drill

Master sin, cos and tan fast

$4.99 · Designed for iPad. Not verified for macOS.

The fastest way to memorise the 15 trigonometric exact values every maths student needs. Drill them daily, offline, no logins, no ads. 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/

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    Information

    Seller
    • YUNJIAN NI
    Size
    • 3.1 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Yunjian Ni
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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