What's New
• If "Enhancements" are set to "Off", loading an empty card will blink "0.00" and program memory will be cleared to NOPs, like on a real HP-65.
• Some fonts changed from Courier to Menlo for better legibility.
App Description
World's first pocket computer! Now running on your iPad.
RPN-65 Pro is the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for iOS. Produced from 1974 to 1977 at an initial price of $795 (that's more close to $5,000 today!), the HP-65 was a breakthrough. Not only was it programmable, it also contained a motorized magnetic card reader - and still fit into Bill Hewlett's shirt pocket.
Experience this revolutionary calculator on your iPad. With 170 original HP programs included with RPN-65 Pro, you can get started right away.
"A work of art. Fantastic!" (MacBreak Weekly, episode 572)
Features:
• Virtual program and data cards
• Virtual paper tape printer supports AirPrint
• Powerful database-driven card manager
• Create, delete, label, and organize a virtually unlimited number of cards
• Sharing: e-mail, AirDrop, Dropbox, copy, paste, print
• Paste existing HP-65 listings into RPN-65 and run them
• "Live" display of stack, memory registers, program counter, flags
• Reads data cards created by RPN-67 Pro and RPN-97 Pro
• Supports external hardware keyboard
Run RPN-65 Pro in any of 4 modes:
1 - Just like the original HP-65
2 - Same, but at high speed
3 - Includes user-interface improvements, like backstep key and jump to any program step
4 - "Super-65" with 999 program steps, 120 labels, 120 registers, nested subroutines, and much more
For details, free program downloads, calculator handbook and much more, visit the RPN-65 website: cuveesoft.ch/rpn65
iPad Screenshots
(click to enlarge)
App Changes
- September 04, 2015 Initial release
- November 17, 2015 New version 1.1
- February 19, 2016 New version 1.2
- February 19, 2016 New version 1.2
- June 23, 2016 New version 1.3
- November 16, 2016 New version 1.4
- June 14, 2019 New version 2.4
- August 16, 2019 New version 2.5
- August 28, 2019 New version 2.5.1
- January 28, 2020 New version 3.0
- July 14, 2020 New version 3.3
- November 11, 2020 New version 3.4
- August 05, 2021 New version 3.4.1
- September 16, 2023 New version 3.7.5
- November 15, 2023 New version 3.7.6
- April 25, 2024 New version 3.9
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