In this episode, we look at the use of the LL scales to find the geometric mean of a group of numbers. This is a very practical way of evaluating the results of an experiment.

In the second part of the video we take a closer look at exponents and how to use them in calculations. This is what the LL scales were meant to do. We finish off with a complicated equation involving a variable in an exponent and learn how to solve it with the help of the LL scales.

Virtual Slide Rule (isn't it about time you get a real N-3 or an Aristo Studio 0968???):
https://www.antiquark.com/sliderule/s...

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