Help for this page
> perl -le "print '1.12589990684262e+15 is not equivalent to 2 ** 50' +if 1.12589990684262e+15 != 2 ** 50;" 1.12589990684262e+15 is not equivalent to 2 ** 50
> perl -le "print '1.125899906842624e+15 is equivalent to 2 ** 50' if +1.125899906842624e+15 == 2 ** 50;" 1.125899906842624e+15 is equivalent to 2 ** 50