Pi in the face!

Q: What do you get when you take the sun and divide its circumference by its diameter?
A: Pi in the sky.

Q: What do you get if you divide the circumference of a jack-o-lantern by its diameter?
A: Pumpkin pi.

The mathematician says “pi r squared.”
The baker replies “No! Pies are round, cakes are square!

If you ask a scientist what pi equals he'll tell you it equals 3.14159.
If you ask a mathematician what pi equals and he'll tell you pi equals the circumference of a circle divided by its diameter.
If you ask an Engineer what pi equals he'll say "Pi? Well, it's about 3, but we'll call it 4 just to be safe."
And if you ask a kid what pi is, he’ll ask if he can have ice cream with it!

But the best video EVER to celebrate Pi day is: