This was our calculator! Amazingly, you could get really good at making complicated calculations quickly. You just had to keep track of your exponents. They were based on logarithms, so there were lots of options.

This was our calculator! Amazingly, you could get really good at making complicated calculations quickly. You just had to keep track of your exponents. They were based on logarithms, so there were lots of options.

The Appeal of Slide Rules - For Use and as Collectables.

The Appeal of Slide Rules - For Use and as Collectables.

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Slide rule site http://www.stefanv.com/calculators/aristo970/index.html

Slide rule site http://www.stefanv.com/calculators/aristo970/index.html

Slide rule - Wikipedia, the free encyclopedia

Slide rule - Wikipedia, the free encyclopedia

1978 USSR soviet  Metabolism slide rule slipstick  Russian  vintage medicine

1978 USSR soviet Metabolism slide rule slipstick Russian vintage medicine

Rulers

Rulers

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