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**XIMHOTEP-X** · 05-26-2012, 10:33 PM

It is endless like the number pi. The number pi is still on this day not completed.

Irrational and undefined are not the same thing. One definition of pi is

You believe or think that it is less than infinity but you cannot prove otherwise untill the final number of the whole digit can be shown. The definition of infinity is a number bigger than every real number.

Dutch, both of these numbers are well-defined in the community. Irrational just means that you can not represent it completely using digits, but you can use an approximation that is good enough for practical purposes. Every modern car, building, space ship, radio, and most modern technology uses pi in its design. Graham's number is cool, but has no practical purpose.

05-26-2012, 10:33 PM	#17
XIMHOTEP-X Join Date Oct 2005 Posts 395 Senior Member	It is endless like the number pi. The number pi is still on this day not completed. Irrational and undefined are not the same thing. One definition of pi is You believe or think that it is less than infinity but you cannot prove otherwise untill the final number of the whole digit can be shown. The definition of infinity is a number bigger than every real number. Dutch, both of these numbers are well-defined in the community. Irrational just means that you can not represent it completely using digits, but you can use an approximation that is good enough for practical purposes. Every modern car, building, space ship, radio, and most modern technology uses pi in its design. Graham's number is cool, but has no practical purpose.
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