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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You can enter a program that starts with a local label. The HPA “X-memory” module increased the extended memory space by registers bytes. To execute a program in extended memory it must first be copied to regular internal memory. B, Septemberprinted in Singapore. Various information on “synthetic programming”.

One with standard key symbols, one with no labels. Excellent condition, fully functional. The “flying goose” and the “backwards flying goose”. A HPCV with added extended memory, a built-in timer module and the extended functions module.

The remaining registers can be used for program code.

Data inside extended memory is organized in files which can store programs or data. Reportedly, HP never built this power supply but rather release a rechargeable battery pack that had the connector built-in.


These local labels are not visible outside of the current global program. After the listing has been stopped when this “END” is displayed switching to PRGM mode will display the program and it is possible to delete it step-by-step manhal reclaim program memory. I have a couple of CL myself, and it has happened that once per calculator so far. Apparently, only two such modules could be installed.


Register memory shared with program memory. Up to four such modules could be added to reach a total of registers.

Hewlett Packard HP-41C/CV/CX/CL

About 70 magnetic cards for the magnetic card reader. Interestingly, the “print stack” command is manuaal incorrectly as “PRST”. The graphics display of some of the Pioneer models is much better in this respect.

Sheet of small adhesive labels with programming functions. A very popular calculator. Only one such module mznual be installed. Front and back close to mint, a few scratches on the sides.

Solved: HPCX manuals – HP Support Community –

Older units will be completely reset, newer units perform mankal “soft reset”. A calculator with cult status. A unique feature was the barcode reader “wand” that allowed to read in programs that were printed on paper in the form of barcodes.

Infrared module HPA, serial number This time I didn’t install a little spring which obstructed the card slot – now it works!! Without most of the keyboard labels, to be used with keyboard overlays. The HPA quad memory module added registers giving a total of registers. And although it looks modern it is rather slow. Specifies the amount of number registers nnn to allocate.


It is also one of the first calculators with support for alphanumeric strings – but in my opinion this makes the display hard to read. Also, it is not possible 41cd use “CLP” to delete the memory occupied by the program! Rather, indirect access must be used.


Bound printout from the pages at hp None powered from HP calculator. Also, there isa label reading “34 03 “.

The HPA memory module added 64 registers. Labels and mutli-character string labels. All keys could be re-assigned to user-defined commands.

Mint out of the box, everything like new except the cardboard box. This code-exchangability created a huge base of programs. Magnetic program card holder with 38 unmarked magnetic cards and one red card used to clean the magnetic head of the card reader.

To enter this command press: One register can hold up to 7 program steps 7 bytes. Cardboard box with 6 rolls of paper for the A or A printer. Program “ST” speed test is the core speed test program.