The HPCX was the same as the HPCV but added the Time module The phonebook-sized manual dwarfed the calculator, let alone the tiny ROM. View and Download HP CX quick reference manual online. HPCX Calculator pdf manual download. Hp HPCX Pdf User Manuals. View online or download Hp HPCX Service Manual, Quick Reference Manual.

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Bound printout from the pages at hp All keys could be re-assigned to user-defined commands. Rather, indirect access must be used.

Replaced the rubber wheel – now it doesn’t h4p1cx any more at all! Sheet of small adhesive labels with programming functions. Original HPC cardboard box in good condition. Various information on “synthetic programming”. Excellent condition, fully functional.

Apparently broke at some time because the enclosure is glued. This early HPC unit is equipped with golden ball-contacts for the external power supply. Up to four such modules could be added to reach a total of registers.


One blank overlay, one standard functions overlay both plastic.

HP -41CX Quick Reference Manual

German, pages, 1st issue, Did not put back the label which covers the screws. Older units will be completely reset, newer units perform a “soft reset”. Large battery pack or external power supply. Math 1 ROM module, part no.

Solved: HPCX manuals – HP Support Community –

Program “ST” speed test is the core speed test program. This time I didn’t install a little spring which obstructed the card slot – now it works!! No scratches on the back, keys feel a bit worn from extensive use, front dirty seems someone glued a keyboard overlay to manuaal unit.

These local labels are not visible outside of the current global program.

A very popular calculator. Also, HP provided a respectable number of software packages as well as ROM modules with pre-programmed solutions.

HP HP-41CX Manuals

To execute a program in extended memory it must first be copied to regular internal memory. The HPA quad memory module amnual registers giving a total of registers. Front and back close to mint, a few scratches on the sides. Labels and mutli-character string labels.


Hp HPCX Manuals

To enter this command press: The graphics display of some of the Pioneer models is much better in this respect. Additional 75 Magnetic Cards. A HPCV with added extended memory, a built-in timer module and the extended functions module. Register memory shared with program memory.

Note that two extension port covers have mankal marked with a black pen hardly noticable.

One register can hold up to 7 program steps 7 bytes. Unfortunately, my cleaning efforts made things even worse not visible on the picture.

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