The Living Thing / Notebooks :

Special functions

A wunderkammer of useful curves.

Otto Lueger, 1904, Lexikon der gesamten Technik (dictionary of technology).: French curves

Chaitanya Rao, Some special functions and their applications: Bessel and related functions (Hankel, Airy), Hermite, Laguerre, Chebychev, Legendre polynomials, various fun integrals such as Fresnel integrals, Erf and so on, as made popular by all of functional analysis and its application in function approximation.

Erf

See Gaussian distribution

Gamma function

Bessel functions

t-Distribution