Calculator HD Pro Lite

Last modified
Sunday, January 20, 2019

Description of App

Calculator Features

・Dual-line display lets you keep track of the Input and Result at the same time.

・Backspace to delete one number at a time, Clear to delete entire input.

・3 layouts in portrait mode: Basic, Scientific, or History Tape.

・3 layouts in landscape mode: Basic, Scientific or History Tape.

・Memory content is displayed next to the Input to make it easy to keep track.

・Automatically expanding multi-line Input for really long equations.

・Automatic scientific formatting of extremely large or small numbers.

・Automatic addition of thousands separators in Input.

・Automatic formatting of the decimal point as a comma for international users.

・Accurate and powerful calculator engine.

・3D Touch enabled to launch in a specific layout.
・VoiceOver Accessibility with support for Touch Typing.



Free or Paid


Apple Watch Support

Not Known

Device(s) App Was Tested On

iPod Touch

iOS Version


Accessibility Comments

As of today, May 3, 2016, both Calculator HD Pro Free and their Calculator Pro Free apps are fully accessible with VoiceOver. I wrote them on april 19, 2016 and they released updates to both apps today. For $2.99 you can remove ads.

VoiceOver Performance

VoiceOver reads all page elements.

Button Labeling

All buttons are clearly labeled.


The app is fully accessible with VoiceOver and is easy to navigate and use.

Other Comments

If you need a good calculator with a history tape or just need a good scientific calculator, I recommend checking these out. Great app support!


1 people have recommended this app

Most recently recommended by turner42 4 years 6 months ago


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