Calculator: Scientific & Skins

Unit Converter, History & Tips

Free · Designed for iPad. Not verified for macOS.

All tools and 16 themes are free to use in this version. No subscription needed. Try a skin, calculate with scientific functions, convert units and reuse your history. A scientific calculator with a unit converter, calculation history, tip splitting and 16 theme skins. All tools and themes are free to use in this version, with no subscription required. EVERYDAY AND SCIENTIFIC CALCULATIONS Use arithmetic, parentheses, percentages, powers, square roots, trigonometry and logarithms. Switch between degrees and radians, preview results as you type, edit expressions and reuse values from memory or your previous calculation. 16 THEMES FOR YOUR STYLE Choose cute cats, a corgi, a teddy bear, mecha, racing, camping, planets, neon, retro wood or classic colors. Explore different illustrations, key shapes and materials. Every skin supports light, dark and system appearance and is included in the app, with no separate image downloads. PREVIEW, TRY AND SAVE FAVORITES Try basic and scientific keys in a complete theme preview. Switch appearance and save favorite skins. Your current look changes only when you choose Apply; preview calculations keep your active expression, memory and history untouched. UNIT AND CURRENCY CONVERSION Convert length, area, volume, mass, temperature, speed and more. Currency rates show their update time: refresh online or use cached or bundled rates offline. Converted amounts are for reference. HISTORY, BILL SPLITTING AND DATE TOOLS Search or copy local calculation history and reuse a previous result. Split a bill with tips, or find the interval between two dates for everyday planning. READY FOR IPHONE AND IPAD Keep the readout and keys close at hand on iPhone. On a wide iPad layout, view your calculations beside history. Everyday math, scientific functions and unit conversion also work offline. YOUR EVERYDAY PREFERENCES Choose key sounds, haptic feedback and decimal places. Favorites and preferences stay on your device. Available in English, Simplified Chinese, Traditional Chinese and Arabic.

Ratings & Reviews

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Improved portrait and landscape layouts, with a fixed numeric keypad and scientific functions grouped to fit your screen. Fixed clipped results and improved converters, history, and theme previews on small screens and with larger text.

Version 1.0.1

The developer, 彩月 姚, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    彩月 姚
    Size
    59.6 MB
    Category
    Lifestyle
    Compatibility
    Requires iOS 16 or later.
    • iPhone
      Requires iOS 16 or later.
    • iPad
      Requires iPadOS 16 or later.
    • iPod touch
      Requires iOS 16 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 3 more
    • English, Arabic, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    Copyright
    © 2026 ColorfulMoon
  • Privacy Policy

    • More by 彩月 姚

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