The HP 9810A (AKA the 9800 series model 10) was HP's second calculator. It made use of the new technologies of the time including IC chips for RAM, ROM, and logic, and a three-line LED display instead of a CRT.

HP 9815A Chronologically, the models of the family were: HP 9810A, a keystroke programmable computer with magnetic cards and LED display, introduced in 1971, [1] HP 9820A, introduced in 1972, was the first HP model that deals with algebraic input (not only RPN) [2] featured a high level language simpler than BASIC that was later named high performance language (HPL), HP 9821A, similar to the ...

HP 9810A（又名 9800 系列型号 10）是 HP 的第二台计算器。 它利用了当时的新技术，包括用于RAM、ROM和逻辑的IC芯片，以及代替CRT的三行LED显示屏。 HP 9810A 的设计使从 HP 9100 升级变得容易，许多击键行为都相…

The 9810A was HP's second generation RPN calculator. It replaced the 9100. Instead of a CRT, the 9810A had a three-line LED display. It was also upgradable with ROM modules to perform additional functions (math functions, peripheral I/O, etc). The 9810A had a built-in card reader and an optional 16-character, internal thermal printer.

The 9810A was HP's second generation RPN calculator. It was introduced as the successor of the 9100A/B, maintaining compatibility, and expending capability of its predecessor.

The 9810A was HP's second generation RPN calculator. It replaced the 9100. Instead of a CRT, the 9810A had a three-line LED display. It was also upgradable with ROM modules to perform additional functions (math functions, peripheral I/O, etc). The 9810A had a built-in card reader and an optional 16-character, internal thermal printer.

2010年4月25日 · It contains the schematics of the circuits, the dumps of the microcode roms, some listing of the application code and lots of explanations to data stuctures and sequences. The HP 9810 is obviously one of the best documented calculators. There is an repair manual from HP, which can be found on the museums DVDs.

The HP 9810A, released in 1971, was a pioneering programmable desktop calculator that marked a significant advancement in the field of computing. Developed by Hewlett-Packard as part of its esteemed 9800 series, this calculator was targeted towards professionals, engineers, scientists, and academics who required sophisticated computational ...

The Museum of HP Calculators displays and describes Hewlett-Packard calculators introduced from 1968 to 1986 plus a few interesting later models. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.

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