off topic> very cool photo!

[Titus]

Originally Posted by cresshead

The slide rule, a mechanical analog computer. The slide rule is used primarily for multiplication and division, and also for "scientific" functions such as roots, logarithms and trigonometry, but is not normally used for addition or subtraction.

If you try the root of 4, then you get 1.99 .

[Silkrooster]

I haven't seen my slide rule in years. learned just the basics, but then I wasn't that good with math which helps.

[cresshead]

Originally Posted by Titus

If you try the root of 4, then you get 1.99 .

do you remember the early pentium chips that had a calc error in them?

slide rules don't do to huge decimal places...they were the besot of that time seeing as hand held electonic calculators were yet to be invented!