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Table of Contents
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Historic Calculating Tools from Abacus to Curta
Herbert Lange This exhibition shows various calculating devices and tools that have been used until around the mid of the 20th century until pocket calculators and computers took over their role
Overview
Abacus
| Model | счёты (schoty) |
|---|---|
| Country | USSR/Russia |
Addiator
| Manufacturer | Unical |
|---|---|
| Model | Correntator |
| Year of introduction | ca 1945 |
| Country | Switzerland |
| Initial price | 58 SFr |
| Method | Slide adder |
Mechanic Calulator
| Manufacturer | Original-Odhner |
|---|---|
| Model | 127 |
| Year of introduction | ca 1948 |
| Country | Sweden |
| Method | Pinwheel |
Mechanic Calculator
| Manufacturer | Facit |
|---|---|
| Model | C1-13 |
| Year of introduction | 1957 |
| Country | Sweden |
| Method | Pinwheel |
Mechanic Calculator
| Manufacturer | Contina |
|---|---|
| Model | Curta Model I |
| Year of Introduction | 1948 |
| Country | Liechtenstein |
| Method | Leibniz wheel |
Electromechanic Calculator
| Manufacturer | Original-Odhner |
|---|---|
| Model | X-11 C-5 |
| Year of introduction | 1950 |
| Country | Sweden |
| Method | Rack and pinion toothed bar |
Slide rule
| Manufacturer | Sun Hemmi |
|---|---|
| Model | System H-Croon |
| Year of introduction | 1968(?) |
| Country | Japan |
Details
Currently the long description is only available in German
Virtual Exhibition Desk
To the virtual exhibition desk
Here, you will find the times and days when the room is open to have a look at the exhibition, for questions, discussions and chit chat with the exhibitor.
Availability Times
| Day | Day |
|---|---|
| Saturday | 00:00 - 00:00 |
| Saturday | 00:00 - 00:00 |
| Sunday | 00:00 - 00:00 |
| Sunday | 00:00 - 00:00 |
Demo Times
This section contains a table in case special the exhibitor wants to show demos at specific times to a general audience.
| Day | Time | Demo |
|---|---|---|
| Saturday | xx:xx | xxx |
| Saturday | xx:xx | yyy |
| Sunday | xx:xx | xxx |
| Sunday | xx:xx | yyy |
en/rechenhilfen.1602175138.txt.gz · Last modified: 2020/10/08 18:38 by daherb
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