Hpc Owner’s Manual Volume 2. Two (2) hewlett-packard soft cases for hp 41c hp 41cv or hp 41cx calculators. Both have stuck. Vintage Hp 41c Experienced. Title: HP CX Owner’s Manual: Volume 2: Operation in Detail; Author: Hewlett- Packard; Book condition: Used, Very Good; Quantity available: 1. Title. HPCX Owner’s Manual Vol2. Operation in Detail. Catalog Number. Type. Text. Date. Publisher. Hewlett-Packard Company ( HP).
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Tighten the screws securely, but do not overtighten them. The CX model was the pinnacle of the hp41 line and includes extended functions, extended memory, and a time module all on the motherboard.
I e-mailed all my colleagues to see if any of them had any old HP calculators lying around, and one of them did. Without most of the keyboard labels, to be used with keyboard overlays. This early HPC unit manusl equipped with golden ball-contacts for the external power supply. Of course the fact that I was dreaming of owning one when I owmers a teenager but had no money for it, is largely responsible for my mabual today and the fact that I bought one from ebay.
And there is a strange little pair of bumps on the right side of the keyboard, next to the SST key see the close-up photo.
Hewlett Packard HP-41C/CV/CX/CL
A unique feature was the barcode reader “wand” that allowed to read in programs that were printed on paper in the form of barcodes. It didn’t have that same air of quality that the 41CV had, but it worked fine, and I’d been using it for about 10 years now No additional import charges at delivery! German, pages, 1st issue, This pressure is provided by the screws that hold the calculator together, but the plastic posts that the screws go into had np-41cx interestingly enough, my Braun shaver suffered the same failure on the very same day.
The orange colored thing is the backplane, which connects the keyboard circuit board to the module ports, and also to the battery. There are assuredly newer, more whizzbang graphing calculators etc.
I have and use all of these regularly, which is another testament for the legendary HP quality.
Repairing an HPCX
I cut two more brass strips, each the width of a contact, and carefully soldered them to the clean copper on either ownners of center, effectively making a new contact. A calculator with cult status. One register can hold up to 7 program steps 7 bytes. Been using hps since the early 80s, there is simply no better calculator for engineering or scientific work. Original HPC cardboard box in ownerz condition. No scratches on the back, keys feel a bit worn from extensive use, front dirty seems someone glued a keyboard overlay to the unit.
Cardboard box with 6 rolls of paper for the A or A printer. You may also find it a bit harder to tighten the bottom screws because the wiring and foam padding might provide some resistance, but they will give. Volume 2 of the Owner’s Manual which seems to contain all the useful information, so I wonder what’s in Volume 1. The HPA memory module added 64 registers.
Do the same with the other end of the strip. Sanding the contacts merely got right down to the plastic under the contacts. Most relevant reviews See all 19 reviews. See other items More Also at the bottom is the CPU board, which is connected to the keyboard by flexible interconnects, aligned with the keyboard by the bottom screw posts, and held in place by the back of the calculator. The love has grown over the years – this machine helped me through 3 years of high school and 5 years of engineering studies, and has been my companion for all the years after that.
Below that and extending all the way to the bottom is the keyboard, held to the case by black plastic heat stakes. It helps to lay a narrow metal ruler over the wires at the place where they will bend half way between the corresponding sets of pads to get them all to bend in the same place.
HP CX Owner’s Manual : Volume 2 : Operation in Detail by Hewlett-Packard
You can also see the foam rubber strips on which the CPU board is resting. None powered from HP calculator. Free delivery in 3 days. Special financing available Select PayPal Credit at checkout to have the option to pay over time. It is one of the earliest calculators with alphanumeric support.
The battery contacts are part of the module port back-plane, and the whole assembly is just a friction fit into the back of the case. Put the bezel on the front half of the case note that the bezel is slightly narrower on one side than the other; the narrow side faces the front of the case.
I was wrong, so the following year my wife got me an HPS for Christmas. For additional information, see the Global Shipping Program onwers and conditions – opens in a new window or tab No additional import charges on delivery Delivery: It looks almost like new and works as such! This calculator is pure legend. Front and back close to mint, a few scratches on the sides.
At the top are the module ports. Excellent condition, fully functional. The Pi key has been Shift-zero for so many years I don’t need to think about it. Sell one like this. There were also a few other minor repairs to make. Select a valid country.
This code-exchangability created hp–41cx huge base of programs. The two bottom screw posts are in the second row of black dots from the bottom, and the two top ones are just above the topmost row of black dots the black dots are heat stakes that hold the keyboard to the front case.
Reinstall the battery pack and turn it on. Infrared module HPA, serial number Large battery pack or external power supply. Specifies the amount of number registers nnn to allocate.