September 26, 2019   |   by admin

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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A HPCV with added extended memory, a built-in timer module and the extended functions module. The HPA “X-memory” module increased the extended memory space by registers bytes.

A very popular calculator. Within a program local labelsA – J and a – j can be used. Program “ST” speed test is the core speed test program.

Older units will be hp411cx reset, newer units perform a “soft reset”. B, Septemberprinted in Singapore. The HPA quad memory module added registers giving a total of registers.

No scratches on the back, keys feel a bit worn from extensive use, front dirty seems someone glued a keyboard overlay to the unit. It is also one of the first calculators with support for alphanumeric strings – but in my opinion this makes the display hard to read.

This time I didn’t install a little spring which obstructed the card slot – now it works!! Sheet of small adhesive labels with programming functions.


A picture of the serial interface connector. Labels and mutli-character string labels. White keyboard overlay with normal function codes. One blank overlay, one standard functions overlay both plastic.

Memory space is shared between programs and data storage, allocation is performed using the SIZE command. Rather, indirect access must be used. And although it looks modern it is rather slow. Also, there isa label reading “34 03 “. Data inside extended memory is organized maual files which can store programs or data. One sheet of sticky labels for overlays, completely new. Only one such module could be installed. German, pages, The graphics display of some of the Pioneer models is much better in this respect.

Magnetic program card holder with 38 unmarked magnetic cards and one red card used to clean the magnetic head of the card reader. All keys could be re-assigned to user-defined commands. These local labels are not visible outside of the current global program. Additional 75 Manuall Cards. Magnetic program card mmanual with 39 unmarked magnetic cards.

Manuaal the possibility to access ROM code made hp41cc the preferred toy for “hackers”. Interestingly, the “print stack” command is listed incorrectly as “PRST”. Unfortunately, my cleaning efforts made things even worse not visible on the picture. Infrared module HPA, serial number Manua, to the table on the back of the calculator for special keys ie. Rather large with no other markings. Excellent condition, fully functional. Large battery pack or external power supply.


The remaining registers can be used for program code. 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. Up to four such modules could be added to reach a total of registers.

Solved: HPCX manuals – HP Support Community –

Mint out of the box, everything like new except the cardboard box. Apparently broke at some time because the enclosure ,anual glued. Type, Precision, Input Mode.

Did not put back the label which covers the screws.

HP -41CX Quick Reference Manual

A calculator with cult status. The HPA memory module added 64 registers. Also, HP provided a respectable number of software packages as well as ROM modules with pre-programmed solutions.

This code-exchangability created a huge base of programs.