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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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   Site #43 Preview Go
My collection of electronic calculators, other calculating devices and curiosities.
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A website for the East German Söemtron ETR range of electronic calculators. Covering the rebuilding of a very badly kept Söemtron 220, this site has circuits, logic diagrams, photos and more information for these increasingly rare early Eastern Bloc electronic calculators.
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Dedicated to the collection and simulation of vintage calculators made at the Sumlock Anita Electronics Ltd. factory in Portsmouth during the 60s and 70s.


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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.
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Photos and Articles about vintage electronic calculators.
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French site. Texas Instruments calculators collector. LED, Fluorescent and LCD calculators from 1972 to 1990. Pictures and data.
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Informationen über meine Hewlett Packard (HP) Taschenrechner.
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A site dedicated to those magnificent Calculation Instruments
   Site #40 Preview Go
Web site cover all about electronic calculators.
   Site #28 Preview Go
All things geek, techy and retro. Talking about technology from the past, also my collection of 70's calculators. I am also a Photoshop user, some artwork is on display.






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