About RPN-65 SD
World's first pocket computer! Now running on your iPhone. RPN-65 SD is the iPhone version of RPN-65 Pro, the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for iOS. Produced from...
World's first pocket computer! Now running on your iPhone.
RPN-65 SD is the iPhone version of RPN-65 Pro, 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 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 iPhone. With over 180 original HP programs included with the app, you can get started right away.
"A work of art. Fantastic!" (MacBreak Weekly, episode 572)
Features:
• Virtual program and data cards
• Virtual 2000-line 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, iTunes, copy, paste, print
• Paste existing HP-65 listings into RPN-65 and run them
• "Live" display of stack, memory registers, program counter, flags
• Reads program and data cards created by RPN-65 Pro
• Reads data cards created by RPN-67 Pro/SD and RPN-97 Pro
Run RPN-65 SD in any of 4 modes:
1 - Just like the original HP-65
2 - Like the original HP-65, but at much higher speed
3 - With many user-interface improvements, like backstep key or 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
Feb 14, 2024
Version 3.9
• 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 have been changed from Courier to Menlo for better legibility.
• Screens "Paper Tape Printer", "Program Usage", and "Program Description" may be dismissed by dragging them down, in addition to swiping them horizontally.
Previous Versions
Here you can find the changelog of RPN-65 SD since it was posted on our website on 2017-01-04 19:45:37.
The latest version is 3.9 and it was updated on 2024-04-19 21:25:36. See below the changes in each version.
RPN-65 SD version 3.9
Updated At: 2024-02-14
Changes: Feb 14, 2024
Version 3.9
• 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 have been changed from Courier to Menlo for better legibility.
• Screens "Paper Tape Printer", "Program Usage", and "Program Description" may be dismissed by dragging them down, in addition to swiping them horizontally.
RPN-65 SD version 3.8
Updated At: 2023-12-24
Changes: Dec 24, 2023
Version 3.8
• If Enhancements are "Off", pressing a user-definable key A..E resets the prefix key g, as expected.
• RPN-65 SD runs on Apple Silicon Macs (see notes on homepage cuveesoft.ch).
• RPN-65 SD requires iOS 12 or later.
RPN-65 SD version 3.7.6
Updated At: 2023-09-18
Changes: Sep 18, 2023
Version 3.7.6
• Backstepping from step 001 to 000 in modes UI and Plus is now supported. In addition, step 000 is labeled as "[TOP]".
• In vintage mode, typing "GTO.digit" and "LBL.digit" would not start a number entry.
• Also in vintage mode, single-stepping an instruction like LBL 5 would not be executed as on a real HP-65 when the mode switch was flipped to W/PRGM and back to RUN between steps "LBL" and "5".
[Thanks, Vincent]
RPN-65 SD version 3.7
Updated At: 2023-05-13
Changes: May 13, 2023
Version 3.7
• Enable or disable the flashing of pressed keys in the Settings ("Flash Keys").
• In enhanced modes ("UI" and "Plus"), the trigonometric mode indicator DEG appears only when "High Contrast" is on. No indicators are shown in vintage modes ("Off" and "Fast").
Bug fixes:
• [Vintage mode] Entering a merged code instruction (e.g. g NOP) at step 100 now works correctly.
• [Vintage mode] Single-stepping (SST) from step 100 in W/PRGM mode now shows 00 00, not step 01.
RPN-65 SD version 3.6.1
Updated At: 2022-11-11
Changes: Nov 11, 2022
Version 3.6.1
Fixed: In W/PRGM mode, program changes didn't enable the "Write Card" button in the Card Manager.
RPN-65 SD version 3.5
Updated At: 2021-11-30
Changes: Nov 30, 2021 Version 3.5
• Improved compatibility of Data Cards across the different Enhancements settings of the calculator. (Thanks, Matt!)
• Clearing registers now affects register R0 in Plus mode only.
• Small cosmetic changes
Bug fix:
• Fixed wrong step 75 in MATH 1-15A in the default database from 99 to 03
RPN-65 SD version 3.4.1
Updated At: 2020-12-14
Changes: Dec 14, 2020 Version 3.4.1
• Fixed issue on pre-iOS 13 devices, where running RPN-65 in vintage mode set to DSP 9 would round to 8 digits
RPN-65 SD version 3.4.1
Updated At: 2020-12-14
Changes: 14 Dec 2020 Version 3.4.1
• Fixed issue on pre-iOS 13 devices, where running RPN-65 in vintage mode set to DSP 9 would round to 8 digits
RPN-65 SD version 3.4
Updated At: 2020-11-04
Changes: Nov 4, 2020 Version 3.4
• Improved accuracy in extreme cases of y^x with positive, integer x.
For example, 1.0000001^(2^27) = 674530.4707, not 674530.4760.
A real HP-65 returns 674530.8761.
• Call up "What's New" anytime from Info screen
• Compatibility with iPhone 12
Bug fixes:
• Fixed an occasional issue causing mail dialog to close prematurely
• Fixed display issues when using the iPhone in "Zoomed" mode
RPN-65 SD version 3.3
Updated At: 2020-07-03
Changes: 3 Jul 2020 Version 3.3
• Changed search scope in Card Manager: finding text in "Plus" cards has been replaced with finding text in "Instructions"
• In vintage mode, the RPN-65 stores the same numbers in R9 as the real HP-65 after performing the operations SIN, COS, TAN and their inverse on arguments 0 or ±1.
• f REG now clears the extra registers RA, RB, ..., Rd, Re
• f CLx now clears only the extended registers R00...R99
• The current program step is always displayed in the editable listing, even when it is located in unused program memory.
Disclaimer
Official App Store Link
We do not host RPN-65 SD on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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