The British mathematician James Stirling came up with the following formula for estimating the factorial of very large numbers:

n!~sqrt((2)(pi)(n))(n/e)^n

The larger the number, the more accurate the estimate. Factorials are very valuable when working with probabilities.

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Tags: British mathematician, factorials, math history, useful formula

This entry was posted on July 20, 2012 at 7:44 am and is filed under Honors Alg. 2, Precalculus, Statistics Readings. You can follow any responses to this entry through the RSS 2.0 feed.
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