Apparently, this user prefers to keep an air of mystery about them.
5 Atan2 Faster Approximation jan 15 '15
3 Numerical method for approximating the standard Normal distribution cdf with mean 0 and variance 1 dec 3
3 Expressing upper incomplete gamma function of half-integer order in terms of gamma function? mar 24 '14
2 Approximating the Digamma function sep 22