# hpr2166 :: How to use a Slide Rule

### By popular request, a description of how a slide rule works

Hosted by Dave Morriss on 2016-11-21 is flagged as Explicit and is released under a CC-BY-SA license.

**Tags:** *slide rule,logarithm,slipstick,analogue computer*.

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# How to use a Slide Rule

In my show 1664, “Life and Times of a Geek part 1”, I spoke about using a slide rule as a schoolboy. As a consequence, I was asked if I would do a show on slide rules, and this is it (after a rather long delay).

## Long notes

I have written out a moderately long set of notes for this episode and these are available here http://hackerpublicradio.org/eps/hpr2166/full_shownotes.html.

## Links

- HPR show “
*Life and Times of a Geek part 1*”: http://hackerpublicradio.org/eps.php?id=1664 - Wikipedia article on the slide rule: https://en.wikipedia.org/wiki/Slide_rule
- International Slide Rule Museum: http://sliderulemuseum.com/SR_Course.htm
- Wikipedia article on the
*Logarithm*: https://en.wikipedia.org/wiki/Logarithm - Wikipedia article on the
*Mathematical table*: https://en.wikipedia.org/wiki/Mathematical_table - wikiHow article on how to use a Logarithm Table: http://www.wikihow.com/Use-Logarithmic-Tables
- Wikipedia article on
*John Napier*: https://en.wikipedia.org/wiki/John_Napier - Wikipedia article on
*Merchiston Tower*: https://en.wikipedia.org/wiki/Merchiston_Tower - Wikipedia article on
*Edinburgh Napier University*: https://en.wikipedia.org/wiki/Edinburgh_Napier_University - The
*Faber Castell 1/60/360*: