Calculate84

Intended for use with TI-84

Free · In-App Purchases

Graphing made for iPhone Calculate84 brings the graphing calculator experience to iPhone with a fast, touch-friendly design. What you can do: • Plot and explore graphs with smooth touch controls • Find familiar calculator functions quickly • Scroll naturally through equations and results • Get clearer, more helpful error messages • Send feedback directly from the app Why we built Calculate84 We relied on graphing calculators ourselves and wanted an app that felt easier to use on a modern phone. Before launch, we worked with students to refine the experience, and we continue improving it based on user feedback. Send feedback Tap the red Feedback button in the app. Terms of Use (EULA): https://calculate84.com/terms-of-use

Ratings & Reviews

  • 4.5
    out of 5
    2 Ratings

Create and evaluate piecewise functions, explore clearer in-app function guides, and enjoy smoother equation editing with performance and stability improvements.

Version 3.0.3

The developer, Century Light LLC, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, 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

Provider
  • Century Light LLC
Size
  • 74.3 MB
Category
  • Education
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • iPad
    Requires iPadOS 18.0 or later.
  • Mac
    Requires macOS 14.0 or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
  • English
Age Rating
13+
In-App Purchases
Yes
  • Annual Pro Subscription USD 7.99
  • Monthly Pro Subscription USD 3.99
  • Lifetime Pro Subscription USD 34.99
  • Lifetime Subscription USD 14.99
  • Lifetime Subscription USD 11.99
  • Lifetime Subscription USD 7.99
  • Learn More
Copyright
  • © 2026 Century Light LLC
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

    More by Century Light LLC

    You Might Also Like