Wallis Formula

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The slowly convergent Wallis formula for follows from the infinite product representation for
, when
At each step, the outermost green segment represents the cumulative value of the product and the yellow segment represents the error relative to
Contributed by: Michael Schreiber (March 2011)
Open content licensed under CC BY-NC-SA
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"Wallis Formula"
http://demonstrations.wolfram.com/WallisFormula/
Wolfram Demonstrations Project
Published: March 7 2011