Collection Overview

All calculators in this collection have been carefully restored and serviced, with the majority maintained in full working condition. 

A brief restoration note accompany each item's listing.

Database Structure

The collection is presented in an interactive table format where each row represents one calculator. To facilitate exploration, entries include descriptive tags such as:

• Technology type (mechanical, electromechanical, electronic, etc.)

• Display technology (Nixie, VFD, LCD, seven-segment, Panaplex, etc.)

• Special categories (printing, hand-made, programmable, etc.)

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These tags enable visitors to filter and sort the collection by specific characteristics of interest. A search function provides additional navigation options.