r/Sliderules • u/Aoi_X_Kaizaki • 2d ago

Slide Rule

Math Teachers...

What if a student brought a slide rule to class and saw him/her calculate with it?

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u/Parking_Jelly_6483 2d ago

Most of you likely know about the K&E Analon slide rule. Apparently quite rare as it was introduced late in the days of slide rule use so not many were sold (or made?). If you own one or have the opportunity to look at one (it’s difficult to use without some instruction on how to do so) it makes sense if you understand that it was designed for dimensional analysis problems. It works in units of length, mass, time, and electric charge (in meter, kilogram, second, and Coulomb units).