May 2, 2020 History by admin

The HPC/41CV Alphanumeric Full Performance. Programmable Calculator. Owner’s Handbook and. Programming Guide. September printed on or above a key (on the Normal mode keyboard or on the Alpha keyboard) are always shown throughout this manual as they would appear in the . (up to four) or step up to an HPCV or HPCX the total number of registers can increase to (64 registers for each memory module). When allocated.

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Hp HPCX Manuals

A very popular calculator. You can enter a program that starts with a local label. German, pages, Up to four such modules could be added to reach a total of registers. The HPA quad memory module added registers giving a total of registers. The following files are available on the Systemyde website: Cardboard box with 6 rolls of paper for the A or A printer.

One with standard key symbols, one with no labels. A HPCV with added extended memory, a built-in timer module and the extended functions module. This time I didn’t install manuaal little spring which obstructed the card slot – now it works!! Also, there isa label reading “34 03 “.

Type, Precision, Input Mode. Manhal information on “synthetic programming”. Reportedly, HP never built this power supply but rather release a rechargeable battery pack that had the connector built-in. Especially the possibility to access ROM code made it the preferred toy for “hackers”.


Rather large with no other markings. Also, it is not possible to use “CLP” to delete the memory occupied by the program!

A picture of the serial interface connector. Original HPC cardboard box in good condition.


Specifies the amount of number registers nnn to allocate. Within a program local labelsA – J and a – j can be used. Without most of the keyboard labels, to be used with keyboard overlays. The HPA memory module added 64 registers. And although it looks modern it is rather slow. Bound printout from the pages at hp Note that two extension port covers have been marked with a black pen hardly noticable.

Did not put back the label which covers the screws. Apparently, only two such modules could be installed.

One register can hold up to 7 program steps 7 bytes. Unfortunately, my cleaning efforts made things even worse not visible on the picture. To execute a program in extended memory it must first be copied to regular internal memory.

Mznual calculator with cult status. None powered from HP calculator.

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 to reclaim program memory. No scratches on the back, keys feel a bit worn from extensive use, front dirty seems someone glued a keyboard overlay to the unit.


One blank overlay, one standard functions overlay both plastic. Register memory shared with program memory. Sheet of small adhesive labels with programming functions. A unique feature was the barcode reader “wand” that allowed to read in programs that were printed on paper manua the form of barcodes.

B, Septemberprinted in Singapore. About 70 magnetic cards for the magnetic card reader.

HP -41CX Quick Reference Manual

Excellent condition, fully functional. German, pages, 1st issue, Magnetic program card holder with 39 unmarked magnetic cards. Memory space is shared between programs and data storage, allocation is performed using the SIZE command. Apparently broke at some time because the enclosure is glued. Mint out of the box, everything manuzl new except the cardboard box.

Older units will be completely reset, newer units perform a “soft reset”.