A-Z Calculator HD app for iPhone and iPad

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A-Z Calculator HD is now $0.99 for a limited time!
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A-Z Calculator HD is easy-to-use calculator on your iPad. This new product combines powerful calculation algorithm with user-friendly interfaces. You can easily touch the keys in the same order as the actual equation and copy equations and calculation results between 3 displays.

FEATURES:
24 digits X 3 lines X 3 displays
Touch display to select from 3 displays
Touch the keys in the same order as the actual equation
[EXE] key to calculate your equation
Touch and move between 3 displays to copy equations and calculation results
Powerful syntax analysis and display error location
Almost unlimited equation length
15 digits calculation results (Double precision)

Last answer memory ([Ans] key)
26 memories you can assign the value ([A]-[Z] keys)
Multiple equations with [:] and chain calculation
Multi-Line playback (16 equations for each displays)
Automatically insert [x] based on formula analysis

[AC] key to erase selected display
[Bs] key to erase 1 left character
After calculation, [Up] or [Down] key to call and select from 16 playback equations
After calculation, [Left] or [Right] key to call previous playback equation and select cursor location