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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There are four battery contacts. About 70 magnetic cards for the magnetic card reader.

Reinstall the battery pack and turn it on. The listing you’re looking for has ended. In the end, vll still was the keyboard that failed on my original 41CV, but 23 or 24 years of everyday use is pretty respectable!

Now it’s time to move on to the final row. Free delivery in 3 days. Replaced the rubber wheel – now it doesn’t work any more at all! Cardboard box with 6 rolls of paper for the A or A printer. Seller information kobel-co See terms – opens ownerd a new window or tab. This code-exchangability created a huge base of programs. Notice the two rows of contact fingers between the top screw posts, and the two long rows and one short row between the bottom screw ownes.

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

Does this calculator really need a review? If you take it a step at a time, it’s really not very difficult to do. Refer to the table on the back of the calculator for special keys ie. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. This has the advantage that the connection will no longer rely on the integrity of the bottom screw posts.


It has been on several space shuttle flights. Especially the possibility to access ROM code made it the preferred toy for “hackers”.

Documents on the Museum CD

Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab. This strip now serves to vl the two middle cells. Various information on “synthetic programming”. I have a couple of CL myself, and it has happened that once per calculator so far.

Learn More – opens in a new window or tab Any international shipping and import charges are ownerw in part to Pitney Bowes Inc. Original HPC cardboard box in good condition. And although it looks modern it is rather slow. Also remove the three manyal interconnects, and the plastic frame that holds them in place be careful not to crack the frame. Nov 03, One of the three keyboard to CPU board interconnects was missing.

I had used a 32E before and I knew I had to have this Arguably the most capable calculator ever made.

Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc. Note that the printer A can power the HP This little soldier outlasted my 11C by almost a factor of 5 thanks to a MUCH better quality keyboard.


I cut two more brass strips, each the width of a contact, and carefully soldered them to the clean copper on either side of center, effectively making a new contact.

Excellent condition, fully functional. This early HPC unit is equipped with golden ball-contacts for the external power supply. Learn More – opens in a new window or tab Returns: Failure of my earlier HP 11C calculator due to keyboard deterioration you may substitute 12C or 15C here after only about 5 years led me to buy a 41CV.

Just be careful when tightening not to strip or crack the screw posts. I was wrong, so the following year my wife got me an HPS for Christmas. One sheet of sticky labels for overlays, completely new. Apply some cyanoacrylate to the wire around the top posts and trim off any excess wire.

Subject to credit approval. That’s one of the two top reasons for buying one of these: See other items More Delivery times may vary, especially during peak periods. Rather large with no other markings.

B, Septemberprinted in Singapore.

The HPA memory module added 64 registers. You can also see the foam rubber strips on which the CPU board is manial. Math 1 ROM module, part no.