Submission + - WristWatch Sliderule: Casio Archive (casio.com)
cwsumner writes: I ran across this in the Casio support site old products archive: A manual on how to use a wristwatch with a bult-in mechanical sliderule! For those who are to young to remember, a sliderule is a calculator from back before they had calculators.
And get off of my lawn! 8-)
And get off of my lawn! 8-)