Fun: Take any 2 numbers. Take midpoint & square it. Subtract midpoint from an endpoint. Square that. Subtract 2nd square from 1st square. That = same as multiplying first 2 numbers. How I know 87 X 113 = 9831 before you pull out your phone. 100 squared - 13 squared. Boom.
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Replying to @StevenTDennis
Can’t you take a day off from noodling around, @StevenTDennis?
12:08 PM - 9 Dec 2017
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. E-mail: llitvan@bloomberg.net