Irrational Numbers Math Halloween Teacher Pi Geek Coffee Mug
Halloween themed math joke. The number e (Euler's number) and the constant pi are dressed up for Halloween as a witch and Frankenstein's monster. "Math is scary" Euler's number suggests - but Pi answers "You're being irrational." Both pi and Euler's number are classified as irrational numbers. Opposite side has editable text that reads "Trick or Treat Math is Sweet." Great for math teachers.
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 and the constant pi are dressed up for Halloween as a witch and Frankenstein's monster. "Math is scary" Euler's number suggests - but Pi answers "You're being irrational." Both pi and Euler's number are classified as irrational numbers. Opposite side has editable text that reads "Trick or Treat Math is Sweet." Great for math teachers. )
