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...
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
Version History Improved equation history and result formatting, more reliable Pro purchases, better accessibility, and fixes for math input and stability. 3.0.4 Aug 31 Create and evaluate piecewise functions, explore clearer in-app function guides, and enjoy smoother equation editing with performance and stability improvements. 3.0.3 Aug 17 Improved graphing, equation editing, and table reliability, with additional performance and stability fixes across iPhone, iPad, and Mac. 3.0.2 Aug 11 Fixed an issue where the equation table could lose your place after switching apps. This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows. - New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews - Redesigned equation table that feels faster, scrolls more naturally, and keeps your recent work easier to follow - Function help previews now show examples and argument details directly where you need them - New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews - Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting - New interactive number and matrix adjustment controls for quicker editing and exploration - Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling - Refreshed search with smoother animations, cleaner results, and improved accessibility behavior - Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results - Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.1 Aug 3 This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows. - New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews - Function help previews now show examples and argument details directly where you need them - New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews - Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting - New interactive number and matrix adjustment controls for quicker editing and exploration - Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling - Refreshed search with smoother animations, cleaner results, and improved accessibility behavior - Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results - Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.0 Aug 1 - Added support for seeding random number results, including rand and randInt. - Made graph windows and calculator state restore more reliably. - Improved iPad and Mac window layout so the calculator fits better around system controls. - Refined large-text and accessibility behavior across calculator screens. - Fixed several edge cases in matrix, list, and math function handling. - Added stability improvements throughout the app. 2.6.4 May 21 - Improved the iPhone keypad layout so it adapts more comfortably. - Made saved graph windows reopen more reliably. - Cleaned up integral labels and range formatting. - Improved iPad and large-text layouts across tables, matrix editor, search, and graph setup. - Refined accessibility and layout polish throughout the app. - Simplified feedback confirmation messaging. 2.6.3 May 16 Just some general dusting and sweeping. 2.6.2 Mar 18 Bug fixes and performance improvements. 2.6.1 Jan 26 Bug fixes and performance improvements. 2.6.0 10/24/2025 Bug fixes and performance improvements 2.5.9 09/09/2025 Bug fixes and performance improvements. 2.5.7 08/23/2025 - Improved how graphing derivatives work - Copy/paste graph values (ex. min, max) - Inertial graphing - Bug fixes and other performance improvements 2.2.5 04/08/2025 Bug fixes and performance improvements 2.2.4 12/20/2024 Bug fixes and performance improvements 2.2.3 11/01/2024 Bug fixes and performance improvements. 2.2.0 10/23/2024 Bug fixes and performance improvements. 2.1.9 10/22/2024 We've been on a bug witch hunt this last week. If you notice any glitches or problems in general, please let us know via the red feedback button! We give higher priority to those with more messages. 2.1.8 10/17/2024 Bug fixes and performance improvements. 2.1.6 10/06/2024 Bug fixes and performance improvements. 2.1.5 10/03/2024 - new math display system 2.1.4 09/17/2024 Bug fixes and performance improvements. 2.1.3 09/09/2024 What’s Changed: - Copy & Paste - Reduced App Size 2.1.2 09/08/2024 Bug fixes and performance improvements. 2.1.1 08/21/2024 Bug fixes and performance improvements. 2.0.9 08/10/2024
Previous Versions
Here you can find the changelog of Calculate84 since it was posted on our website on 2021-12-17 23:13:10.
The latest version is 3.0.4 and it was updated on 2026-10-12 19:54:58. See below the changes in each version.
Calculate84 version 3.0.4
Updated At: 2026-10-08
Changes: Version History Improved equation history and result formatting, more reliable Pro purchases, better accessibility, and fixes for math input and stability. 3.0.4 Aug 31 Create and evaluate piecewise functions, explore clearer in-app function guides, and enjoy smoother equation editing with performance and stability improvements. 3.0.3 Aug 17 Improved graphing, equation editing, and table reliability, with additional performance and stability fixes across iPhone, iPad, and Mac. 3.0.2 Aug 11 Fixed an issue where the equation table could lose your place after switching apps.
This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Redesigned equation table that feels faster, scrolls more naturally, and keeps your recent work easier to follow
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.1 Aug 3 This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.0 Aug 1 - Added support for seeding random number results, including rand and randInt.
- Made graph windows and calculator state restore more reliably.
- Improved iPad and Mac window layout so the calculator fits better around system controls.
- Refined large-text and accessibility behavior across calculator screens.
- Fixed several edge cases in matrix, list, and math function handling.
- Added stability improvements throughout the app. 2.6.4 May 21 - Improved the iPhone keypad layout so it adapts more comfortably.
- Made saved graph windows reopen more reliably.
- Cleaned up integral labels and range formatting.
- Improved iPad and large-text layouts across tables, matrix editor, search, and graph setup.
- Refined accessibility and layout polish throughout the app.
- Simplified feedback confirmation messaging. 2.6.3 May 16 Just some general dusting and sweeping. 2.6.2 Mar 18 Bug fixes and performance improvements. 2.6.1 Jan 26 Bug fixes and performance improvements. 2.6.0 10/24/2025 Bug fixes and performance improvements 2.5.9 09/09/2025 Bug fixes and performance improvements. 2.5.7 08/23/2025 - Improved how graphing derivatives work
- Copy/paste graph values (ex. min, max)
- Inertial graphing
- Bug fixes and other performance improvements 2.2.5 04/08/2025 Bug fixes and performance improvements 2.2.4 12/20/2024 Bug fixes and performance improvements 2.2.3 11/01/2024 Bug fixes and performance improvements. 2.2.0 10/23/2024 Bug fixes and performance improvements. 2.1.9 10/22/2024 We've been on a bug witch hunt this last week.
If you notice any glitches or problems in general, please let us know via the red feedback button! We give higher priority to those with more messages. 2.1.8 10/17/2024 Bug fixes and performance improvements. 2.1.6 10/06/2024 Bug fixes and performance improvements. 2.1.5 10/03/2024 - new math display system 2.1.4 09/17/2024 Bug fixes and performance improvements. 2.1.3 09/09/2024 What’s Changed:
- Copy & Paste
- Reduced App Size 2.1.2 09/08/2024 Bug fixes and performance improvements. 2.1.1 08/21/2024 Bug fixes and performance improvements. 2.0.9 08/10/2024
Calculate84 version 3.0.4
Updated At: 2026-09-03
Changes: Version History Improved equation history and result formatting, more reliable Pro purchases, better accessibility, and fixes for math input and stability. 3.0.4 3d ago Create and evaluate piecewise functions, explore clearer in-app function guides, and enjoy smoother equation editing with performance and stability improvements. 3.0.3 Aug 17 Improved graphing, equation editing, and table reliability, with additional performance and stability fixes across iPhone, iPad, and Mac. 3.0.2 Aug 11 Fixed an issue where the equation table could lose your place after switching apps.
This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Redesigned equation table that feels faster, scrolls more naturally, and keeps your recent work easier to follow
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.1 Aug 3 This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.0 Aug 1 - Added support for seeding random number results, including rand and randInt.
- Made graph windows and calculator state restore more reliably.
- Improved iPad and Mac window layout so the calculator fits better around system controls.
- Refined large-text and accessibility behavior across calculator screens.
- Fixed several edge cases in matrix, list, and math function handling.
- Added stability improvements throughout the app. 2.6.4 May 21 - Improved the iPhone keypad layout so it adapts more comfortably.
- Made saved graph windows reopen more reliably.
- Cleaned up integral labels and range formatting.
- Improved iPad and large-text layouts across tables, matrix editor, search, and graph setup.
- Refined accessibility and layout polish throughout the app.
- Simplified feedback confirmation messaging. 2.6.3 May 16 Just some general dusting and sweeping. 2.6.2 Mar 18 Bug fixes and performance improvements. 2.6.1 Jan 26 Bug fixes and performance improvements. 2.6.0 10/24/2025 Bug fixes and performance improvements 2.5.9 09/09/2025 Bug fixes and performance improvements. 2.5.7 08/23/2025 - Improved how graphing derivatives work
- Copy/paste graph values (ex. min, max)
- Inertial graphing
- Bug fixes and other performance improvements 2.2.5 04/08/2025 Bug fixes and performance improvements 2.2.4 12/20/2024 Bug fixes and performance improvements 2.2.3 11/01/2024 Bug fixes and performance improvements. 2.2.0 10/23/2024 Bug fixes and performance improvements. 2.1.9 10/22/2024 We've been on a bug witch hunt this last week.
If you notice any glitches or problems in general, please let us know via the red feedback button! We give higher priority to those with more messages. 2.1.8 10/17/2024 Bug fixes and performance improvements. 2.1.6 10/06/2024 Bug fixes and performance improvements. 2.1.5 10/03/2024 - new math display system 2.1.4 09/17/2024 Bug fixes and performance improvements. 2.1.3 09/09/2024 What’s Changed:
- Copy & Paste
- Reduced App Size 2.1.2 09/08/2024 Bug fixes and performance improvements. 2.1.1 08/21/2024 Bug fixes and performance improvements. 2.0.9 08/10/2024
Calculate84 version 3.0.3
Updated At: 2026-08-21
Changes: Version History Create and evaluate piecewise functions, explore clearer in-app function guides, and enjoy smoother equation editing with performance and stability improvements. 3.0.3 4d ago Improved graphing, equation editing, and table reliability, with additional performance and stability fixes across iPhone, iPad, and Mac. 3.0.2 Aug 11 Fixed an issue where the equation table could lose your place after switching apps.
This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Redesigned equation table that feels faster, scrolls more naturally, and keeps your recent work easier to follow
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.1 Aug 3 This update brings a major 3.0 refresh to graphing, equation editing, function help, and everyday calculator workflows.
- New smoother graphing with better panning, zooming, tracing, labels, highlights, and inline graph previews
- Function help previews now show examples and argument details directly where you need them
- New support for implicit graphing, fixed-range graph inputs, clearer trace labels, coordinate labels, and stat plot previews
- Improved equation editing with better cursor movement, selection, copy/paste, matrix editing, and math formatting
- New interactive number and matrix adjustment controls for quicker editing and exploration
- Better layouts on iPad, Mac, and large screens, including keypad sizing, split controls, spacing, and keyboard handling
- Refreshed search with smoother animations, cleaner results, and improved accessibility behavior
- Clearer graph and equation rendering, especially for labels, large text, complex expressions, and formatted results
- Performance and reliability improvements across graphing, tables, equation solving, keypad resizing, and daily use 3.0.0 Aug 1 - Added support for seeding random number results, including rand and randInt.
- Made graph windows and calculator state restore more reliably.
- Improved iPad and Mac window layout so the calculator fits better around system controls.
- Refined large-text and accessibility behavior across calculator screens.
- Fixed several edge cases in matrix, list, and math function handling.
- Added stability improvements throughout the app. 2.6.4 May 21 - Improved the iPhone keypad layout so it adapts more comfortably.
- Made saved graph windows reopen more reliably.
- Cleaned up integral labels and range formatting.
- Improved iPad and large-text layouts across tables, matrix editor, search, and graph setup.
- Refined accessibility and layout polish throughout the app.
- Simplified feedback confirmation messaging. 2.6.3 May 16 Just some general dusting and sweeping. 2.6.2 Mar 18 Bug fixes and performance improvements. 2.6.1 Jan 26 Bug fixes and performance improvements. 2.6.0 10/24/2025 Bug fixes and performance improvements 2.5.9 09/09/2025 Bug fixes and performance improvements. 2.5.7 08/23/2025 - Improved how graphing derivatives work
- Copy/paste graph values (ex. min, max)
- Inertial graphing
- Bug fixes and other performance improvements 2.2.5 04/08/2025 Bug fixes and performance improvements 2.2.4 12/20/2024 Bug fixes and performance improvements 2.2.3 11/01/2024 Bug fixes and performance improvements. 2.2.0 10/23/2024 Bug fixes and performance improvements. 2.1.9 10/22/2024 We've been on a bug witch hunt this last week.
If you notice any glitches or problems in general, please let us know via the red feedback button! We give higher priority to those with more messages. 2.1.8 10/17/2024 Bug fixes and performance improvements. 2.1.6 10/06/2024 Bug fixes and performance improvements. 2.1.5 10/03/2024 - new math display system 2.1.4 09/17/2024 Bug fixes and performance improvements. 2.1.3 09/09/2024 What’s Changed:
- Copy & Paste
- Reduced App Size 2.1.2 09/08/2024 Bug fixes and performance improvements. 2.1.1 08/21/2024 Bug fixes and performance improvements. 2.0.9 08/10/2024 What's Changed:
- Graph table can now scroll infinitely in both directions
- Reduced app size 2.0.8 08/05/2024
Calculate84 version 2.6.4
Updated At: 2026-07-24
Changes: Version History - Added support for seeding random number results, including rand and randInt.
- Made graph windows and calculator state restore more reliably.
- Improved iPad and Mac window layout so the calculator fits better around system controls.
- Refined large-text and accessibility behavior across calculator screens.
- Fixed several edge cases in matrix, list, and math function handling.
- Added stability improvements throughout the app. 2.6.4 May 21 - Improved the iPhone keypad layout so it adapts more comfortably.
- Made saved graph windows reopen more reliably.
- Cleaned up integral labels and range formatting.
- Improved iPad and large-text layouts across tables, matrix editor, search, and graph setup.
- Refined accessibility and layout polish throughout the app.
- Simplified feedback confirmation messaging. 2.6.3 May 16 Just some general dusting and sweeping. 2.6.2 Mar 18 Bug fixes and performance improvements. 2.6.1 Jan 26 Bug fixes and performance improvements. 2.6.0 10/24/2025 Bug fixes and performance improvements 2.5.9 09/09/2025 Bug fixes and performance improvements. 2.5.7 08/23/2025 - Improved how graphing derivatives work
- Copy/paste graph values (ex. min, max)
- Inertial graphing
- Bug fixes and other performance improvements 2.2.5 04/08/2025 Bug fixes and performance improvements 2.2.4 12/20/2024 Bug fixes and performance improvements 2.2.3 11/01/2024 Bug fixes and performance improvements. 2.2.0 10/23/2024 Bug fixes and performance improvements. 2.1.9 10/22/2024 We've been on a bug witch hunt this last week.
If you notice any glitches or problems in general, please let us know via the red feedback button! We give higher priority to those with more messages. 2.1.8 10/17/2024 Bug fixes and performance improvements. 2.1.6 10/06/2024 Bug fixes and performance improvements. 2.1.5 10/03/2024 - new math display system 2.1.4 09/17/2024 Bug fixes and performance improvements. 2.1.3 09/09/2024 What’s Changed:
- Copy & Paste
- Reduced App Size 2.1.2 09/08/2024 Bug fixes and performance improvements. 2.1.1 08/21/2024 Bug fixes and performance improvements. 2.0.9 08/10/2024 What's Changed:
- Graph table can now scroll infinitely in both directions
- Reduced app size 2.0.8 08/05/2024 Bug fixes and performance improvements. 2.0.6 07/07/2024 Bug fixes and performance improvements. 2.0.5 06/04/2024 Bug fixes and performance improvements. 2.0.4 05/27/2024 Bug fixes and performance improvements. 2.0.3 05/25/2024
Calculate84 version 2.6.2
Updated At: 2026-03-18
Changes: Just some general dusting and sweeping.
Calculate84 version 2.6.1
Updated At: 2026-01-26
Changes: Bug fixes and performance improvements.
Calculate84 version 2.5.9
Updated At: 2025-09-24
Changes: Sep 24, 2025
Version 2.5.9
Bug fixes and performance improvements
Calculate84 version 2.1.3
Updated At: 2024-09-09
Changes: Sep 9, 2024
Version 2.1.3
What’s Changed:
- Copy & Paste
- Reduced App Size
Calculate84 version 2.1.1
Updated At: 2024-08-21
Changes: Aug 21, 2024
Version 2.1.1
What's Changed:
- Inline graphing support
- TVM Solver (pro)
- Equation Solver (pro)
- Pinch to zoom out of graphs (pro)
- Many other smaller ui/ux changes
Calculate84 version 1.9.9
Updated At: 2024-04-25
Changes: Apr 25, 2024
Version 1.9.9
Bug fixes and performance improvements.
