Pi is one of the most fascinating numbers in the world. It is the most common example of an irrational number, a number that cannot be expressed exactly as a ratio of two integers. When written as a number, the digits of pi never repeat and never end.
Pi is approximately equal to 3.14159. Many people use the rational number 22/7 to approximate pi as well.
Pi, symbolized by the Greek letter
is the ratio of a circle's circumference to its diameter and quite surprisingly can be expressed by the simple formula:
pi/4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - ....
Rap of Pi
Pumpkin Pi
What do you get when you divide a jack-o-lantern's circumference by its diameter?
Answer: Pumpkin Pi
Never ending Pi
Today we know more than a trillion digits of pi.
Who knows, with today's computers, how many we will know tomorrow.
Star Trek and Pi are Transcendental
Zoom in on Pi
Life is Good with a Little Pi in It
Life is Good with a Little Pi in It
If you're wondering whether or not math teachers have a life outside of quadratic equations, this blog will gladly answer that.
ReplyDelete.....clearly, the answer is a firm "No" with an long, intimidating stare.
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