AiryBiPrime[z] gives the derivative of the Airy function Bi^\[Prime] (z).
Arg
(Built-in Mathematica Symbol) Arg[z] gives the argument of the complex number z.
Fibonacci[n] gives the Fibonacci number F_n. Fibonacci[n, x] gives the Fibonacci polynomial F_n (x).
JacobiCS[u, m] gives the Jacobi elliptic function cs(u | m).
Max
(Built-in Mathematica Symbol) 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.
Multinomial[n_1, n_2, ...] gives the multinomial coefficient (n_1 + n_2 + ...)!/(n_1! n_2! ...).
QBinomial[n, m, q] gives the q-binomial coefficient (n; m)_q.
SinIntegral[z] gives the sine integral function Si(z).
GoldenRatio is the golden ratio \[Phi] = 1/2 (Sqrt[5] + 1), with numerical value \[TildeEqual] 1.61803.
a ** b ** c is a general associative, but non-commutative, form of multiplication.