Calculate84
Graphing made for iPhone
Century Light LLC
- Category
- Education
- Price
- Free
- Version
- 3.0.4
- Updated
- Aug 31, 2026
- Released
- Aug 17, 2019
- Requires
- iOS 18.0+
About
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
Read more →
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
App details from the App Store (US storefront). Prices and availability may differ in your country.
