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high_rolla writes "How many of you know what a slide rule it? Better yet, how many of you have actually used one?
The slide rule was a simple yet powerful and important tool for engineers and scientists before the days of calculators. In fact, several people I know still prefer to use them. In the interest of preserving this icon we have created a virtual slide rule for you to play with." Link to Original Source
"Most of us, when all is said and done, like what we like and make up reasons
for it afterwards."
-- Soren F. Petersen