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Frases Célebres: Google+

Frases Célebres: Google+

Eric's Slide Rule Site

I kept my beloved Slide Rules for my children ! Well how was I to know back in 1970 haha

The Log/Log DeciTrig; my first slide rule.  :-)

The calculator just does not replace the slide rule .

You had to have one and know how to use it by the time you took Algebra II and Trig in the 60s - the old slide rule

Slide Rule / Slipstick, before hand held calculators

Slide Rule

The kind of thing that induces nightmares. For The Code Man

Slide rule - Wikipedia, the free encyclopedia Invented 1620, England by Edward Gunter of Oxford. Based on the fact that the addition of two logarithms is mulitplication.

Slide rule - Wikipedia, the free encyclopedia Invented England by Edward Gunter of Oxford. Based on the fact that the addition of two logarithms is mulitplication.

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

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

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.

Modern Antiques That Today’s Kids Probably Have Never Used

my dad taught me how to use this in the late really dad? Now I don't think my kids will ever know how to use a map, tape deck, and card file in the library

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