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  • #: 226746
  • Price: $14.99 In Apple Store
  • Category: Utilities
  • Updated: 2011-02-23
  • Current Version: 3.2.2
  • 3.2.2 (iOS 4.0 Tested)
  • Size: 2.20 MB
  • Language: English
  • Seller: Guenole Silvestre
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.2 or later
  • © 2011 AmeloConsulting
  •  Add to Favorite apps



For anyone who always wanted to carry along their HP 11C, HP 12C, HP 15C or HP 16C, this application provides you with a bit exact RPN emulator for the wonderful HP voyager series, introduced in the early eighties. It employs the same mathematical computation found in the original calculators, providing high precision calculations. It also comes with some goodies such as RPN stack visualization, macro recording of keystrokes, portrait view mode or a fully customized look and feel.

User Interface features:

• two additional keys (mapped to the display and logo in landscape mode) are dedicated to macro recording and help/customization

• portrait and landscape view mode with autorotate or forced orientation

• 4 level RPN stack display (X, Y, Z and T)

• macro recording facilities

• customized calculator switching mode: carry, recall-last or reset stack

• customized keystroke behavior (click, glow, vibration on iphone)

• toggle mode for the f and g prefix keys

• customized look and feel: choose between a modern or classic skin, change prefix, display and background colors to suit your mood, set the key size

• back label reference information display

Calculator features:

• RPN (Reverse Polish Notation) entry mode, programmable

• Engineering model is identical to the original 11C e.g. trigonometric and hyperbolic functions, factorial, combinations, permutations, random numbers, linear regression and more

• Financial model is identical to the original 12C e.g. computation of loans, cash flow, bonds, time-value money, depreciation, amortization, IRR and more

• Scientific calculator is identical to the original 15C e.g. 11C functions plus root solving, matrix calculations, numerical integration, complex numbers and more

• Computer scientist calculator identical functions to the original 16C model e.g. binary, octal, decimal and hexadecimal display, adjustable word length (64 bit max), floating point and fixed point arithmetic, register shifts, mask, bit operations and much more

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Rated 3/5 based on 1 customer reviews.


3/5 stars


I was really looking forward to this app, and would not have minded paying the price tag if it had worked properly. The keys/ buttons are just too difficult to push in and register. I assume it has to do with their being rather small... but don’t really know. It makes using the app quite a PITA on the iPhone. Perhaps on the Ipad it is not a problem?


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The information may be outdated (2011-04-29 03:18:23). For actual information go to iTunes

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