Pi — Infinite Digits

Every digit of π, instantly.

Free · Designed for iPad

Discover π like never before. Pi — Infinite Digits lets you calculate any decimal of the mathematical constant π with absolute precision. Whether you're a student, a mathematician, or simply curious, this app gives you access to the infinite digits of π directly on your iPhone. Two powerful modes: First N digits — Display the first N decimal digits of π, from 1 to 50,000 locally, and beyond via the internet. Nth digit — Find exactly which digit appears at any position in π. What is the 1,000,000th decimal? Find out in milliseconds. Unmatched precision: Pi uses the Chudnovsky algorithm, one of the fastest known methods for computing π, combined with arbitrary-precision arithmetic (BigInt). Every digit is mathematically exact — no floating point approximation, ever. For large numbers: Beyond 50,000 digits, Pi seamlessly connects to Google's pi.delivery API, giving you access to over 100 trillion decimal digits of π. The largest calculation ever made, right in your pocket. Features: Arbitrary precision up to 50,000 digits — fully offline Unlimited digits via internet (Google pi.delivery) Real-time progress bar with elapsed time Calculation history (last 5 results) Copy result to clipboard Export and share your results Clean, intuitive interface No ads, no subscriptions, no data collection Did you know? π (pi) is an irrational number — its decimals never repeat and never end. Mathematicians have computed over 100 trillion digits. Now you can explore them too.

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Minor bug fix

Version 1.1.2

The developer, Olivier Mallet, 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
      • Olivier Mallet
    • Size
      • 4.3 MB
    • Category
      • Education
    • Compatibility
      Requires iOS 17.6 or later.
      • iPhone
        Requires iOS 17.6 or later.
      • iPad
        Requires iPadOS 17.6 or later.
      • Mac
        Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Languages
      • French
    • Age Rating
      4+
    • Copyright
      • © ilodev
  • Privacy Policy

    • More by Olivier Mallet