Funny Be Rational - Get Real hoodie for the geeks amongst us who like to confuse people with their hoodie.

It says ‘be rational’ to ‘Pi’ as ‘Pi’ is a irrational number. Therefore, in response, ‘Pi’ says ‘get real’ which is telling ‘i’ to change. i’ is the imaginary number which is the square root of -1 which cannot form a real number as you cannot square root a negative number.

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