The mathematical geek's favorite thing to do on a Friday night is to try and find the value of Pi.

"Pi has the value of 3.141592+. Pi is an irrational number. That is, it cannot be expressed as the ratio of two whole numbers. The + added at the end...

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The mathematical geek's favorite thing to do on a Friday night is to try and find the value of Pi.

"Pi has the value of 3.141592+. Pi is an irrational number. That is, it cannot be expressed as the ratio of two whole numbers. The + added at the end of the value above means that the value of pi is indeterminate: you can continue to divide the circumference of any circle by its diameter forever and never get an answer without a remainder."

The number that is 30th digit after the decimal is, according to one solution, **the 9 digit**. This solution is approximated by computers, using an infinite series solution.