InverseEllipticNomeQ[q] gives the parameter m corresponding to the nome q in an elliptic function.

LucasL[n] gives the Lucas number L_n.LucasL[n, x] gives the Lucas polynomial L_n (x).

Max[x_1, x_2, ...] yields the numerically largest of the x_i. Max[{x_1, x_2, ...}, {y_1, ...}, ...] yields the largest element of any of the lists.

The Developer Utilities Package includes functions that directly access specific internal algorithms and capabilities of Mathematica that are normally used only as part of ...

BitAnd[n_1, n_2, ...] gives the bitwise AND of the integers n_i.

PowerMod[a, b, m] gives a^b mod m. PowerMod[a, -1, m] finds the modular inverse of a modulo m.PowerMod[a, 1/r, m] finds a modular r\[Null]^th root of a.

In almost every area where probability and statistics are used there have been found a few parametric distribution families that are known to be good models. The origins vary ...

Numerical root finding. NSolve gives you numerical approximations to all the roots of a polynomial equation. You can also use NSolve to solve sets of simultaneous equations ...

ArcCosh[z] gives the inverse hyperbolic cosine cosh -1 (z) of the complex number z.

LogIntegral[z] is the logarithmic integral function li(z).