Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Calculator HD Pro Screenshots

iPad

iPhone

About Calculator HD Pro

A colorful calculator with BIG buttons, LOTS of features, and fully customizable.

・Dual-line display - shows the input and result at the same time
・History tape - saves every calculation, time and date stamped
・Memory buttons - shows its value on the display
・Percentage and backspace button
・Scientific functions
・6 layouts (3 portrait, 3 landscape)
・10 color themes
・Multi-line input for really long equations
・Automatic scientific formatting
・Label any calculation in the history tape
・E-mail a calculation or the entire history tape
・VoiceOver accessibility
・iOS 9 Split View
・3D Touch
・Today Widget (In App Purchase)
・Multiple History Tapes (In App Purchase)

Gestures

・Swipe down to see the history tape
・Tap & hold on the result to copy
・Tap & hold on the input to move the cursor, copy, paste

Customize

・Font Size
・Bold Font
・Color Theme
・Light Tape Background
・Show Layout Button
・Allowable Layouts
・Show Memory Buttons
・Backspace Button (Solid, Arrow)
・Replace ÷ Button With /
・Replace E Button With Hidden, EE, 00, or 000
・Show Thousands Separators
・Minimum Decimal Digits
・Maximum Decimal Digits
・Sound
・Equals Repeat
・Left-Handed Mode

URL Scheme: calculatorhdpro://

What's New in the Latest Version 4.11.4

Last updated on Nov 19, 2023

Old Versions

- Miscellaneous improvements.

Version History

4.11.4

Nov 19, 2023

- Miscellaneous improvements.

4.11.3

Nov 10, 2023

- Miscellaneous improvements.

4.11.2

Nov 1, 2023

- Fixed issue with tape edits not always being saved when switching to the widget.
- Miscellaneous performance improvements.

4.11.1

May 31, 2023

- Fixes issue with landscape layout 3 not always displaying correctly.

4.11

May 25, 2023

- Added volume control for the button clicks.
- UI improvements.

4.10

May 14, 2023

- Improved button click sounds.
- Fixed issue with plus minus button not working correctly for some regional number formats.
- Fixed issue with scientific notation not always being parsed correctly.
- Widget - fixed issue with widget not syncing with the app.
- Widget - added equals repeat.
- The default maximum decimal digits has been changed to 8. Can still change this in settings up to 12.
- Overall performance improvements.

4.9.1

Sep 20, 2022

- Added workaround to fix an iOS 16 layout bug preventing scrolling of the input.

4.9

Jul 30, 2022

- UI improvements

4.8

Nov 10, 2021

- Added haptic feedback to the buttons (can be toggled on or off)
- Fixed bug with Multiple History Tape title not updating after switching tapes.

4.7.3

Jul 24, 2021

- Miscellaneous Improvements

4.7.2

Feb 21, 2021

- Fixes issue that may cause the loss of a decimal while editing an equation.

4.7.1

Feb 19, 2021

- Minor bug fixes affecting editing and formatting

4.7

Feb 14, 2021

- Added ability to change decimal notation
- Bug fixes

4.6.2

Feb 7, 2021

- Added number formatting support for more countries.

4.6.1

Jan 27, 2021

- Added a Setting to allow you to adjust the History Tape Height (affects only the History Tape layout while in Portrait orientation).
- Fixed an issue with Voiceover not working for the numbers and operators on the keypad.

4.6

Jan 26, 2021

Additions:
- Updated the label input on the history tape so that you can now change the label color before hitting enter.
- New dark mode and settings - auto, dark, or light.

Changes:
- Swipe gestures on the input have been removed.
- Eliminated blinking cursor from widget.
- Gold, Rose Gold, Silver, Snow, and Glow themes have been improved.
- Updated help screens.
- UI improvements.

Bug fixes:
- Fixed issue with Copy From Clipboard message appearing on launch.

4.5.1

Jan 2, 2019

- Added the ability to show the Memory Buttons only on specific layouts. By default, the Memory Buttons are now hidden on the Tape layouts to allow the buttons to be bigger.
- Fixed issue with Insert Result At Cursor not working.

4.5

Dec 18, 2018

- Added new Midnight Blue color scheme.

4.4

Dec 9, 2018

- Autocorrect extra operators updated to include the minus sign (can still multiply negative numbers with this option enabled by using the plus/minus button).
- Added "Insert Result At Cursor" back to the History Tape action menu.

4.3

Nov 30, 2018

- Now you can name each calculation before you press Equals (can toggle off with the option "Show Label Input").
- Send and Print have been replaced with a Share option, which still allows both of these capabilities plus even more.
- Can now view really long calculations that do not fit within the History Tape by tapping on the calculation.
- Added an option to enable/disable "Autocorrect Extra Operators".

4.2

Nov 7, 2018

- Added a new In App Purchase (Multiple History Tapes - organize your calculations into separate Tapes, and organize the Tapes into Folders.
- Inputting two consecutive operators (+, -, ÷, ×) will now automatically replace the previous operator with the new one, instead of typing them both.
- Tape actions (History Tapes, Clear, Send, Print) are now consolidated into a single button.
- Added a new option for the backspace button (Solid or Arrow).
- Voiceover improvements.
- Added a new theme (Rose Gold).

4.1

Aug 15, 2018

- Added more options for the E button (Hidden and EE).
- UI improvements.
- Minor bug fixes.

4.0

Aug 6, 2018

- Added a Today Widget that syncs with the main app (In App Purchase to unlock)
- Adds the ability to add a Color to the Calculations in the History Tape

3.9.3

May 30, 2018

- Minor bug fixes.

3.9.2

May 30, 2018

- Changed the division sign back to the obelus (÷) instead of the solidus (/) by default - You can change this in Settings if you would like.

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