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Sphere Research Corporation - Used Electronic Test Equipment, Spare Parts, Slide Rules and more...
As it says. I don't need any of this stuff. Honest. Argh.
to electronics scope shopping sliderule surplus tek test-equipment ...
on 11 February 2010
Mathematics and Computer Education: PROSTHAPHAERETIC SLIDE RULE: A MECHANICAL MULTIPLICATION DEVICE BASED ON TRIGONOMETRIC IDENTITIES, THE
Building a slide rule based on trigonometric identities rather than on logarithms.
to maths sliderule ...
on 03 December 2005
by Adam Sampson.