Calculate84
Century Light LLC Education iPhoneiPadiPod touchMac
Calculate84 is a free Education app for iPhone and iPad by Century Light LLC. Rated 4.8/5 from 54,542 ratings. Requires iOS 18.0. Updated August 31, 2026.
- Rating
- 4.8
- 54.5K ratings
- Price
- Free
- on the App Store
- Size
- 71 MB
- Age 12+
- Updated
- Aug 31
- 2026 · v3.0.4
Screenshots
About Calculate84
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
4.8
54.5K ratings
What’s new
Version 3.0.4 · Updated August 31, 2026
Improved equation history and result formatting, more reliable Pro purchases, better accessibility, and fixes for math input and stability.
App privacy
The developer, Century Light LLC, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
- Diagnostics: Crash Data
Used for: Analytics, Product Personalization, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
- Diagnostics: Performance Data, Other Diagnostic Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality
Alternatives to Calculate84
Looking for apps like Calculate84? Here are 6 similar apps on the App Store. The highest rated is Graphing Calculator 84: Calc84 (4.6/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Calculate84 | 4.8 / 5 (54,542 ratings) | Free | August 31, 2026 | |
| Graphing Calculator X84 | 4.5 / 5 (50,100) | Free | Feb 26, 2026 | Compare |
| Desmos Graphing Calculator | 4.3 / 5 (1,299) | Free | Oct 24, 2026 | Compare |
| Desmos Scientific Calculator | 4.3 / 5 (337) | Free | Oct 24, 2026 | Compare |
| Graphing Calculator 84: Calc84 | 4.6 / 5 (5,111) | Free | Nov 9, 2026 | Compare |
| Common App | 3.0 / 5 (679) | Free | Sep 23, 2026 | Compare |
| Taculator 84 Graphing Calc | 4.5 / 5 (7,681) | Free | Nov 6, 2026 | Compare |
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