- In a dark, narrow alley, a function and a differential operator mee
"Get out of my way - or I'll differentiate you till you're zero!... - Same alley, same function, but a different operato
"Get out of my way - or I'll differentiate you till you're zero!... - Back in the old days - when slide rules were still the most sophisticated computing equipment available to scientists and engineers.
.. Engineering students are taking a math final. Of course, slide... - Two men are sitting in the basket of a balloon. For hours, they have been drifting through a thick layer of clouds, and
they have lost orientation completely.
Suddenly, the clouds part, and the two m...
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