Hp-41 owners manual

The Extended Functions module provided a RAM disk system allowing program and data files to be stored and manipulated in extended memory some of which was included in the module.

HP supplemented this with additional Extended Memory modules providing additional non-volatile storage on the machine. HP also ensured that the HP41 remained competitive against newer more mathematically powerful calculators by bringing out the Advantage Module which added some of the financial functions of the HPC, complex number and matrix handling like those on the HPC and computer science funtions like those of the HPC.

When the next generation of calculators added Infrared printer support, HP brought out the "Blinky" module. Finally discontinued with the introduction of the HP48SX the HP41 series remains a testament to the people who developed it. A classic in its own lifetime.

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Posted by Stefan Vorkoetter on 2 Apr , p. Recently, my HPS broke down the '9' key stopped working and I found to my horror that there was no way to disassemble the calculator. The HPC series of calculators brought about a revolution in calculator technology, introducing the first alphanumeric LCD screen. In addition to providing specific error messages and feedback, the HPC had programmable keys so the user could completely customize their calculator.

It also has expansion slots at the top, where more memory, specialized programs, or hardware extension could be attached. This is the Hewlett-Packard 41cx or HPcx calculator.