Wallis's Constant

Author

Eric W. Weisstein
March 21, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Constants/WallissConstant.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/WallissConstant.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Value

Reduce[x^3-2x-5==0&&x∈Reals,x]

N[%[[2]],100]