Likelihood[dist, {x_1, x_2, ...}] gives the likelihood function for observations x_1, x_2, ... from the distribution dist.

MouseAppearance[expr, graphic] changes the mouse cursor to appear as graphic when the mouse pointer is in the area where expr is displayed.MouseAppearance[expr, graphic, {x, ...

Play[f, {t, t_min, t_max}] creates an object that plays as a sound whose amplitude is given by f as a function of time t in seconds between t_min and t_max.

SpokenString[expr] gives a string of text corresponding to a spoken representation of the expression expr.

VectorAngle[u, v] gives the angle between the vectors u and v.

WeierstrassPPrime[u, {g_2, g_3}] gives the derivative of the Weierstrass elliptic function \[WeierstrassP](u; g_2, g_3).

You can define wavelets to plug into the wavelet analysis framework by using the correct template. A wavelet wave is of the form wfam[args], where wfam is the symbol that ...

The solutions to many second-order ODEs can be expressed in terms of special functions. Solutions to certain higher-order ODEs can also be expressed using AiryAi, BesselJ, ...

Cot[z] gives the cotangent of z.

n! gives the factorial of n.