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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Refer to the table on the back of the calculator for special keys ie. Did not put back the label which covers the screws. Delivers highly accurate results!

Replaced the rubber wheel – now it doesn’t work any more at all! The following files are available on the Systemyde website: This early HPC unit is equipped with golden hp-41c for the external power supply.


To execute a program in extended memory it must first be copied to regular internal memory. B, Septemberprinted manaul Singapore. Magnetic program card holder with 39 unmarked magnetic cards. Math 1 ROM module, part no. A very popular calculator. These local labels are not visible outside of the current global program. Only one such module could be installed.


One blank overlay, one standard functions overlay both plastic. Specifies the amount of number registers nnn to allocate. The graphics display of some of the Pioneer mannual is much better in this respect.

This time I didn’t install a little spring which obstructed the card slot – now it works!! Additional 75 Magnetic Cards.

Original HPC cardboard box in good condition. A unique feature was the barcode reader “wand” that allowed to read in programs that were printed on paper in the form of barcodes. None powered from HP calculator. Type, Precision, Input Mode. Apparently broke at some time because the enclosure is glued. Program “ST” speed test hp-41fx the core speed test program. Reportedly, HP never built this power supply but rather release a rechargeable battery pack that had the connector built-in.

The remaining registers can be used for program code. Especially the possibility to access ROM code made it the preferred toy for “hackers”. Front and back close to mint, a few scratches on the sides. The HPA memory module added 64 registers.

After the listing has been stopped when this “END” is displayed switching to PRGM mode will display ho-41cx program and it is possible to delete it step-by-step to reclaim program memory.

Hp HPCX Manuals

Also, HP provided a respectable number of software packages as well as ROM modules with pre-programmed solutions. One one side marked “”. Bound printout from the pages at hp Magnetic program card holder with 38 unmarked magnetic cards and one red card used to clean the magnetic head of the card reader.


German, pages, Memory manaul is shared between programs and data storage, allocation is performed using the SIZE command. Older units will be completely reset, newer units perform a “soft reset”.

You can enter a program that starts with a local label. Rather, indirect access must be used. One sheet of sticky labels for overlays, completely new.

Interestingly, the “print stack” command is listed incorrectly as “PRST”. Both reader and manual in excellent condition. Within a program local labelsA – J and a – j can be used.

HP HP-41CX Manuals

Also, there isa label reading “34 03 “. One register can hold up to 7 program steps 7 bytes.

This code-exchangability created a huge base of programs. For plain string input do not use XEQ. Note that two extension port covers have been marked with a black pen hardly noticable. Unfortunately, my cleaning efforts made things even worse not visible on the manuual. The HPA quad memory module added registers giving a total of registers.