Calculator HD Pro Lite


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.

Apple Watch Support: 

Not Known



Free or Paid: 


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!