Vintage Hewlett Packard HP 42S Handheld RPN Scientific Calculator Includes soft case padded sleeve style Includes owners manual all pages intact Includes fresh batteries purchased to test that it is working. It is! Battery use by date 3/2026 I offer priority or ground shipping.

Used HP-42S scientific calculator with case in excellent condition. Passes self test, keyboard test and works as expected. Video of self test demonstrating all segments of LCD working. New batteries.

1987 HP-42S RPN Scientific Calculator With Case - ORIGINAL OWNER for 35+ YearsLate 1980s small powerful calculator offered a two-line dot matrix screen with customizable menus, speed, and convenient small sizeIncluded over 600 built-in functions, many accessed by catalog (i.e. typing name after XEQ key or by assigning to custom menu)Included numbered storage registers and named variables.Included sophisticated menu system for its time, where multiple line menus could be simply traversed by using up/down keysComplex numbers were integrated such that they appeared naturally when requiredMatrices could be stored on stack or in variablesProgramming was essentially identical to HP-41C with a few exceptionsSee pictures of this one-owner Hewlett Packard scientific calculator still in great condition and verified to still be fully functional.Purchase will include opened package of four new Duracell 76A 1.5V batteries (used to verify calculator was functional)

HP-42S RPN Scientific Calculator Excellent Condition With Case Hewlett Packard.

IncludesHP-41s Calculator, SN 2839A17029Original CaseManualQuick ReferenceTerms of Sale General If you would like to have the shipment delay for whatever reason, please notify me ahead of time. Please read the auction description completely to be certain this item fits your buying needs as this item is offered for final sale. I stand behind the accuracy of my description 100%. Please feel free to ask any questions that might aid you in your buying decision prior to bidding as I consider all sales as final. All of my items are acquired from other parties. I cannot tell if they have been owned by pet owners or smokers.International Buyers Shipping method offered:eBays Global Shipping Program is the default offering. With this program I ship the item to eBays central distribution warehouse and you pay eBay to and deliver it to the final destination. At this time, eBay does not allow items to be combined with this method. If you would like to combine shipping with other items or get a direct shipment quote, please contact me. I will only ship to countries that have delivery confirmation (various methods). Exceptions may be made for low value items.ReturnsI want you to be completely satisfied with your purchase. Please contact me if you have any concerns. Please refer to eBay listing for return policy on item.

Terms of Sale General If you would like to have the shipment delay for whatever reason, please notify me ahead of time. Please read the auction description completely to be certain this item fits your buying needs as this item is offered for final sale. I stand behind the accuracy of my description 100%. Please feel free to ask any questions that might aid you in your buying decision prior to bidding as I consider all sales as final. All of my items are acquired from other parties. I cannot tell if they have been owned by pet owners or smokers.International Buyers Shipping method offered:eBays Global Shipping Program is the default offering. With this program I ship the item to eBays central distribution warehouse and you pay eBay to and deliver it to the final destination. At this time, eBay does not allow items to be combined with this method. If you would like to combine shipping with other items or get a direct shipment quote, please contact me. I will only ship to countries that have delivery confirmation (various methods). Exceptions may be made for low value items.ReturnsI want you to be completely satisfied with your purchase. Please contact me if you have any concerns. Please refer to eBay listing for return policy on item.

Actual item shown.

Includes Original bag, hang tag and case. The bag has some light wear from storage. Actual item shown.

Case for Hewlett Packard HP 42S calculator

Hewlett Packard HP 42S Handheld RPN Scientific Calculator - For Parts The device turned on, but stopped at a clear memory messageWhen a clear memory message appears, the device does not work despite pressing the buttonsThe device is as clean as it appears in the picturesbuttons and then try it and it worksA clear memory message appears after pressing the on and button x²,Calculator sold separatelyPictures complement the description, please see Contact meIf you are satisfied with the items I have sent to you please support me by leaving positive feedback which will be welcome I will do the same in return.If you are not satisfied for any reason, before leaving any negative or neutral feedback, please contact me and I will do my best to make you satisfied

Includes Original bag, hang tag and case. The bag has some light wear from storage. Actual item shown.

Case for Hewlett Packard HP 42S calculator

HP-42S RPN Scientific Calculator with Case. Works! With batteries, EXCELLENT CONDITION!! Used once for a class, stored in clean&dry conditions, no odors, dings, scratches- pristine.

HP-42S RPN Scientific Calculator with Case. Works! With batteries, EXCELLENT CONDITION!! Used once for a class, stored in clean&dry conditions, no odors, dings, scratches- pristine.

HP-42S RPN Scientific Calculator with Case. Works! With batteries, EXCELLENT CONDITION!! Used once for a class, stored in clean&dry conditions, no odors, dings, scratches- pristine.

In good condition with no signs of major damage.Unit still turns out and performs. There is no sign of corrosion or damage in the battery area. Comes with 3 new batteries and the original sleeve case.

HP-42S RPN Scientific Calculator with Case. Works! With batteries, EXCELLENT CONDITION!! Used once for a class, stored in clean&dry conditions, no odors, dings, scratches- pristine.