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Calculator Collecting - Sites for Collectors and those Interested in old calculating devices, including electronic calculators, slide rules, wei

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Calculator Collecting

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Home > Computers & Internet > Hardware > Calculators
Manager: tattooed_ogre
Sites for Collectors and those Interested in old calculating devices, including electronic calculators, slide rules, weird and wonderful old computing machines.

 

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   Database of HP-35 Version 1 - Red Dot Preview Go
The HP-35 was HP's first pocket calculator. The earliest and the only production version 1 "Red Dot" had a red dot to the right of the power switch that showed when it was turned on. This page contains references to probably most of known and still existing Red Dots. The list will be continuously updated when new information will be gathered.
   Christoph Lorenz' Calculator Page Preview Go
Photos and Articles about vintage electronic calculators.
   Texas instruments vintage calculators Preview 1 review(s) — Go
French site. Texas Instruments calculators collector. LED, Fluorescent and LCD calculators from 1972 to 1990. Pictures and data.


   Guenters Taschenrechnerseite Preview Go
Informationen über meine Hewlett Packard (HP) Taschenrechner.
   Bob's Sliderule Site Preview Go
A site dedicated to those magnificent Calculation Instruments






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