The HPC/41CV Alphanumeric Full Performance. Programmable Calculator. Owner’s Handbook and. Programming Guide. September HPCX Owner’s Manual Vol – Ebook download as PDF File .pdf) or read book online. 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.

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One blank overlay, one standard functions overlay both plastic.

Magnetic program card holder with 38 unmarked magnetic cards and one red card used to clean the magnetic head of majual card reader. Note that two extension port covers have been marked with a black pen hardly noticable. Front and back close to mint, a few scratches on the sides. The following files are available on the Systemyde website: Unfortunately, my cleaning efforts made things even worse not visible on the picture.

Allowed for “synthetic programming” where machine code was accessible thru illegal commands. The HPA “X-memory” module increased the extended memory space by registers bytes. Magnetic program card holder with 39 unmarked magnetic cards. Apparently broke at some time because the enclosure is glued. And although it looks modern it is rather slow. Various information on “synthetic programming”.

About 70 magnetic cards for the magnetic card reader. It is also one of the first calculators with support for alphanumeric strings – but in my opinion this makes the display hard to read. Within a program local labelsA – J and a – j can be used. One register can hold up to 7 program steps 7 bytes. Note that the printer A can power the HP A unique feature was the barcode reader “wand” that allowed to read in programs that were printed on paper in the form of barcodes.


Only one such module could be installed. Delivers highly accurate results! Register memory shared with program memory. Specifies the amount of number registers nnn to allocate.

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 the unit. Also, it is not possible to use “CLP” to delete the memory occupied by the program! Original HPC cardboard box in good condition.

The remaining registers can be used for program code.

HP -41CX Quick Reference Manual

Rather large with no other markings. Cardboard box with 6 rolls of paper for the A or A printer. Memory space is shared between programs and data storage, allocation is performed using the SIZE command. This code-exchangability created a huge base of programs.

Did not put back the manuzl which covers the screws. All keys could be re-assigned to user-defined commands. A HPCV with added extended memory, a built-in timer module and the extended functions module. One with standard key symbols, one with no labels. Large battery pack or external power supply. For plain string input do not use XEQ.


Bound printout from the pages at hp To enter this command press: Both reader and manual in manuzl condition. Without most of the keyboard labels, to be used with keyboard overlays.

Solved: HPCX manuals – HP Support Community –

Also, there isa label reading “34 03 “. Reportedly, HP never built this power supply but rather release a rechargeable battery pack that had the connector built-in.

Interestingly, the “print stack” command is listed incorrectly as “PRST”. Mint out of the box, everything like new except the cardboard box. A very popular calculator. Older units will be completely reset, newer units perform a “soft reset”. The HPA memory module added 64 registers. Labels and mutli-character string labels.

The graphics display of some of the Pioneer models is much better in this respect. Infrared module HPA, serial number Replaced the rubber wheel – now it doesn’t work any more at all! I have a couple of CL myself, and it has happened that once per calculator so mnual.