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- HP-65 abstract "The HP-65 was the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795, it featured nine storage registers and room for 100 keystroke instructions. It also included a magnetic card reader/writer to save and load programs. Like all Hewlett-Packard calculators of the era and most since, the HP-65 used reverse Polish notation (RPN) and a four-level automatic operand stack.Bill Hewlett's design requirement was that the calculator should fit in his shirt pocket. That is one reason for the tapered depth of the calculator. The magnetic program cards are fed in at the thick end of the calculator under the LED display. The documentation for the programs in the calculator is very complete, including algorithms for hundreds of applications, including the solutions of differential equations, stock price estimation, statistics, and so forth.".
- HP-65 thumbnail HP_65.jpg?width=300.
- HP-65 wikiPageExternalLink HP.PocketCalc.1975.102646259.pdf.
- HP-65 wikiPageExternalLink mycalcdb.free.fr.
- HP-65 wikiPageExternalLink main.php?l=0&id=775.
- HP-65 wikiPageExternalLink index.html.
- HP-65 wikiPageExternalLink hp65.htm.
- HP-65 wikiPageID "506769".
- HP-65 wikiPageRevisionID "602736426".
- HP-65 caption "The HP-65".
- HP-65 dimensions "14.7".
- HP-65 displaySize "10".
- HP-65 displayType "7".
- HP-65 entry Calculator_input_methods.
- HP-65 hasPhotoCollection HP-65.
- HP-65 introduced "1974".
- HP-65 memoryData "8".
- HP-65 memoryStep "100".
- HP-65 name "HP-65".
- HP-65 processor "proprietary".
- HP-65 progLang "RPN key stroke".
- HP-65 progLang "key codes".
- HP-65 supply "charger 115/230 V, 5 W".
- HP-65 type Programmable_calculator.
- HP-65 weight "312".
- HP-65 subject Category:1974_introductions.
- HP-65 subject Category:HP_calculators.
- HP-65 subject Category:Programmable_calculators.
- HP-65 comment "The HP-65 was the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795, it featured nine storage registers and room for 100 keystroke instructions. It also included a magnetic card reader/writer to save and load programs.".
- HP-65 label "HP-65".
- HP-65 label "HP-65".
- HP-65 label "HP-65".
- HP-65 label "HP-65".
- HP-65 label "HP-65".
- HP-65 sameAs HP-65.
- HP-65 sameAs HP-65.
- HP-65 sameAs HP-65.
- HP-65 sameAs HP-65.
- HP-65 sameAs m.02jm1v.
- HP-65 sameAs Q220638.
- HP-65 sameAs Q220638.
- HP-65 wasDerivedFrom HP-65?oldid=602736426.
- HP-65 depiction HP_65.jpg.
- HP-65 isPrimaryTopicOf HP-65.