Vintage Calculators

GUMMY WHEEL RE-BUILD/REPAIR KIT FOR THE. THE MOST COMMON PROBLEM WITH THESE OLD CALCULATORS IS A “GUMMY OR BRITTLE” CARD READER WHEEL…. SO IF YOU OWN ONE, THE BEST SOLUTION IS TO REPLACE THE WHEEL YOURSELF USING MY KIT.

HP 25 Calculator. Everything works, all keys work, a short program has been written and executed. All in all, a calculator in excellent shape.

Both perform calculations, both are included. Cases are present as are both battery covers.

It has passed self and keyboard tests. HP-32S SCIENTIFIC CALCULATOR.

HP-28S Advanced Scientific Calculator Hewlett Packard.  Great condition.  Includes Leather case.  Shipped with USPS First Class Package.

1987 Hewlett-Packard HP 27S Scientific Calculator in soft case. Near mint condition and works perfectly. Box and manual are not included. Box 38 thank you

CASIO FX-68 SCIENTIFIC CALCULATOR. Casio FX-68 credit card size scientific calculator in good working order and good condition. Look at the pictures.

COMPLETE AND BOXED.

HP 48GX / 48SX Calculators. HP Solve Equations Card.

Calculator is in fully working condition. Usualy no more than a month.

The programming language and functionality of the MK-52 and MK-61 calculators were extensions of the earlierMK-54, theB3-34, andB3-21 Elektronika calculators. The MK-52 is the only calculator known to have internal storage in the form of an EEPROM module.

Datamath Calculator Museum. (C) 2019 of text, pictures and layout by Joerg Woerner. SR-52 Programmable - Perfect, almost complete and tested. The SR-52 was a milestone in the history of programmable calculators, it took only 2 years until the introduction of the legendary TI-59.

Material: BLACK neoprene rubber. - Set of 4 feet.

You will not be disappointed with this calculator!

Citizen has ugly patch inside of screen.

Set of 4 feet;plus, when requested get extra pad for your 82104 card reader. - Material: BLACK neoprene rubber.

It is not in perfect shape as shown in the photos. It has been used and shows signs of that prior use.

Works great.

This is an HP 41CV calculator. It is fully tested and working. The calculator is in great shape. The only flaw is a crack in the glass in the upper right corner of the screen that does not affect use or obscure any of the display.

The adapter is quite heavy, 1lb 4oz without any padding materials.

Vintage Sanyo calculator, tested,repackaged, mint condition, unused, perfect condition. FREE SHIPPING

Original case.

Soviet programmable calculator Elektronika MK 61. And read here:Wikipedia Elektronika MK-61. This calculator was developed and assembled in the Soviet Union. But if you need. The calculator has a lot of functions and when I picked it up, I could not quickly deal with it.

The Elektronika MK-61 (Russian: Электро́ника МК-61) is a third-generation non-BASIC, RPN programmable calculator which was manufactured in the Soviet Union during the years 1983 to 1994. It functions using either three AA-size battery cells or a wall plug.

Fully functional, passes all tests.

Keys for PC-100A Security Cradle. PC-100A Security Cradle. Tested to Power-On only. PC-100A security cradle red lamp lights up, and printer advances and prints when TI-59 calculator installed. TI-59 calculator lights up and accepts inputed numbers from keypad.

I powered the unit on and did a basic math problem and it seems to work.

I certainly didn't test the lighter. It certainly doesn't have any signs of use.

NICE HP27S Calculator. Only the Calculator. The Calculator works.

ONE HP 82104A READER AS DESCRIBED ABOVE. ONE MINI DVD DISC THAT CONTAINS A DIGITAL USER'S MANUAL FILE IN PDF FORMAT FOR THE HP 82104A CARD READER. REBUILT HP-82104A CARD READER. HP-41C HP 41-CV & HP-41CX CALCULATOR.

Programmable RPN calculator, tested to prove it operates as should.

Power adaptor has 120/240V selection switch. Not tested with battery.

Only calculator is listed, stripped of all accessorizes.

Super calculator that works great. No AC adapter Set up to use AA batteries Does have some engravings on sides and backplate. All buttons functioning and displays fine! Made in USA