(55) Additional Moon Tracking Computer and Calculator Programs
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10-15-2019, 11:14 AM
Post: #2
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RE: (55) Additional Moon Tracking Computer and Calculator Programs
Thanks SlideRule. It is really interesting to see how the early calculators behave. I find this program especially interesting because of how much you need to key in to get it started after loading the program. It really shows the impact of providing fully merged keystrokes in later models.
The HP-25 version, also in the article, uses less program steps and does the tedium of storing the sin/cos of your latitude and longitude within the program. You need to calculate those and store them manually as part of the setup for the HP-55 version. The HP-55 program in hp55u format is: Code:
You can copy and paste that into Menu (click the LED display), Prog/Data of the hp55u emulator. It should also be a good starting point for any other HP-55 emulators around. On a HP-55, BST in RUN mode takes you to step 00. - Greg from sydneysmith.com |
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(55) Additional Moon Tracking Computer and Calculator Programs - SlideRule - 01-15-2019, 02:37 PM
RE: (55) Additional Moon Tracking Computer and Calculator Programs - Greg - 10-15-2019 11:14 AM
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