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By CuVee Software

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Vintage-45 is a complete simulation of Hewlett-Packard's scientific hand-held calculator HP-45 from 1973. Processing times and behavior have been carefully modelled after the original. Even the "secret" stopwatch may be activated.


• Naturalistic look-and-feel based on an existing device
• Animated keys with click sound and visual feedback
• All functions and operations of the HP-45 fully implemented
• Contains "secret" stopwatch
• Simulates speed of real calculator
• Correct wrong number entries by swiping across the display
• Cut/copy/paste the display value
• Popup shows the stack and all memory registers
• Additional conversions: Celsius vs. Fahrenheit, liters per 100km vs. mpg (US and UK)

Tap the display for some basic hints.

For more information and a short manual visit the homepage:

What's New in Version 1.2

• Full-screen display
• Compatible with iOS 7
• Requires iOS 5.1 or later

Bug fixes:
• Register arithmetic now handles under- and overflow correctly
• Fixed pasting values dropping decimal point in certain regions

iPhone Screenshots

iPhone Screenshot 1
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View In iTunes
  • $0.99
  • Category: Productivity
  • Updated: Sep 14, 2013
  • Version: 1.2
  • Size: 15.3 MB
  • Languages: English, French, German
  • Seller: Willy Kunz

Compatibility: Requires iOS 5.1 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

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