HP-41CX OWNERS MANUAL VOL 2 PDF

A calculator with cult status. Especially the possibility to access ROM code made it the preferred toy for "hackers". A unique feature was the barcode reader "wand" that allowed to read in programs that were printed on paper in the form of barcodes. This code-exchangability created a huge base of programs.

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Start by tinning all the conacts on the keyboard and CPU board using a fine-tipped soldering iron. Bound printout from the pages at hp Ratings hpcx Reviews Write a review. Unfortunately, my cleaning efforts made things even worse not visible on the picture.

Note that two extension port covers have been marked with a black pen hardly noticable. Reinstall the vil pack and turn it on. Of course the fact that I ownerss dreaming of owning one when I was a teenager but had no money for it, is largely responsible for my opinion today and the fact that I bought one from ebay. Overlap the CPU board on the bottom of the calculator, component side down, as shown. All keys could be re-assigned to user-defined commands. Sign in to check out Check out as guest.

Just be careful when tightening not to strip or crack the screw posts. Contact the seller — opens in a new window or tab and request a shipping method manuak your location. One of the port covers is ownwrs the card reader was plugged into it when I got it. For additional information, see the Global Shipping Program terms and conditions — opens in a new window or tab. It is one of the earliest calculators with alphanumeric support. 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.

Minimum monthly payments are required. I used a very slightly dampened rag to clean all the keys, and the spaces between them. Next, lift off the CPU board, and the black plastic insulator sheet note its orientation; it has a notch cut out of one side. This has the advantage that the connection will no longer rely on the integrity of the bottom screw posts.

There are still a few things that need to be fixed. See all kobel-co has no other items for sale. It just needed a new battery pack, and the keyboard had become unplugged from the CPU board. To execute a program in extended memory it must first be copied to regular internal memory.

No additional import charges at delivery! The photo at right shows the end result. Add to watch list Remove from watch list. Refer to eBay Return policy for more details. 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 vo hold the keyboard to the front case.

The photo at right shows the CPU board in position. Finally, if you need any help or advice on repairing your own HP, feel free to e-mail mebut please ownerw not be surprised if it takes me a few weeks to get back to you. The 41CX was more challenging, but first a bit of history. Seller assumes all responsibility for this listing. Mint out of the box, everything like new except the cardboard box. Apparently broke at some time because the enclosure is glued.

Memory space is shared between programs and data storage, allocation is performed using the SIZE command. In the photo, the electrical tape is red, and the foam rubber is the two black strips above and below the taped area. Learn more — opens in new window or tab. This item will be shipped through the Global Shipping Program and includes international tracking. I have a range of others: The rightmost is positive.

About 70 magnetic cards for the magnetic card reader. A package of blank magnetic cards. You might have to trim a half inch or so off the bottom of the plastic insulator sheet to clear your foam rubber strips. When viewed from the back of the calculator, with the module ports at the top, the leftmost contact is the negative one. TOP 10 Related.

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HP-41CX Owner's Manual Vol 2.pdf

Start by tinning all the conacts on the keyboard and CPU board using a fine-tipped soldering iron. Bound printout from the pages at hp Ratings hpcx Reviews Write a review. Unfortunately, my cleaning efforts made things even worse not visible on the picture. Note that two extension port covers have been marked with a black pen hardly noticable.

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