Monroe 1920

 A fine example of a scientific calculator of the '70s. A beautiful machine with a very unique keyboard layout. Two available. Copies of manual available.

Condition Good to Excellent

 

Monroe 1930

 Thhs is the statistical "cousin" of the 1920. Copy of Manual available.

Conditon Good to excellent

Monroe Model 30

 A very high quality 4 function calculator. Panaplex display. Two available

Conditon: Good to excellent

Compucorp 322g

 This is an early example of a portable calculator. This unit is not functioning correctly, but it does light up.

Conndition : Good looking, not working well.

Compucorp 326

 I used this machine all throughout college. It has electrical problems and it shows some real wear, but it is a good example of what I consider to be the best calculator ever made.

Condition: Poor to fair, not working well.

Monroe 98

 A relatively rare four function calculator. Utilizes gas plasma display.

Condition: Excellent

MK-52 (Russian)

 The king of the Soviet handhelds. Complete with box, manual, and charger.

Condition: Good.

 

HP 9815

 One of my personal favorites. Designed some real lenses with this one! Keyboard problems

Conditon: fair to good.

HP 55

 Good looking working examples of a fine calculator. Why don't all calculators include time functions?

 

HP-41C and Printer

 

 

HP41CV and Printer

 

 

Casio fx-39