Output: 0x1.f9774a97a772b1fcp-63 0x1.034f2a66cd21p+62 0x1.4d403f8b304a5p-4 On 11/18/2010 11:40 PM, Don Clugston wrote: > import std.mathspecial; > import std.stdio; > > void main() > { > writefln("%a", betaIncompleteInverse(0x1.ff1275ae5b939bcap-41, 4.6713e18, > 0.0813601)); > writefln("%a %a", 4.6713e18, 0.0813601); > }