Reminds me a bit of a guy my physics teacher met in the oil fields of alaska. The guy, who had never finished high school (and much less seen Calculus), had fig

Reminds me a bit of a guy my physics teacher met in the oil fields of alaska. The guy, who had never finished high school (and much less seen Calculus), had figured out a way to calculate the volume of a large, tapering tank using his own shorthand. He had the concept of limits and was essentially doing calculus.