Math library (3M)

`bessel`	Bessel functions
`erf`	error function and complementary error function
`exp`	exponential, logarithm, power, square root functions
`floor`	floor, ceiling, remainder, absolute value functions
`gamma`	log gamma function
`hypot`	Euclidean distance function
`intro`	introduction to math libraries
`matherr`	error-handling function
`sinh`	hyperbolic functions
`trig`	trigonometric functions