Q: Why do you rarely find mathematicians spending time at the beach? A: Because they can divide sin and cosine to get a tan!
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Teacher asks student: What is the half of 8? Student: Miss horizontally or vertically? Teacher: What do mean? Student: Horizontally it is 0 and vertically it is 3.
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An astronomer, a physicist and a mathematician are on a train in Scotland. The astronomer looks out of the window, sees a black sheep standing in a field, and remarks, "How odd. Scottish sheep are black." "No, no, no!" says the physicist. "Only some Scottish sheep are black." The mathematician rolls his eyes at his companions' muddled thinking and says, "In Scotland, there is at least one field, containing at least one sheep, at least one side of which appears black from here."
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Chuck Norris is the only person to know pi, because when he puts it into the calculator, the calculator doesn't dare give him only part of it.
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Student: What’s infinity? Math Teacher: Think of a number. Student: Okay, I’ve got one. Teacher: Good. That’s not it.
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