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12-21-1946

The Detroit News reported the Purdue University Engineer's yell, "E to the X, DY, DX / E to the X, DX / Cosine, Secant, Tangent, Sine / Three Point One Four One Five Nine / Square Root, Cube Root, BTU / Slipstick, Slide Rule, Yea Purdue."

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History of Purdue University
Date: 
Saturday, December 21, 1946