JacobiSD (Built-in Mathematica Symbol)

JacobiSD[u, m] gives the Jacobi elliptic function sd(u | m).

JacobiND (Built-in Mathematica Symbol)

JacobiND[u, m] gives the Jacobi elliptic function nd(u | m).

CarmichaelLambda (Built-in Mathematica Symbol)

CarmichaelLambda[n] gives the Carmichael function \[Lambda](n), defined as the smallest integer m such that k^m \[Congruent] 1 mod n for all k relatively prime to n.

Majority (Built-in Mathematica Symbol)

Majority[e_1, e_2, ...] gives True if the majority of the e_i are True, and False if the majority are False.

PrimePi (Built-in Mathematica Symbol)

PrimePi[x] gives the number of primes \[Pi] (x) less than or equal to x.

DiscreteDelta (Built-in Mathematica Symbol)

DiscreteDelta[n_1, n_2, ...] gives the discrete delta function \[Delta] (n_1, n_2, ...), equal to 1 if all the n_i are zero, and 0 otherwise.

SphericalHankelH2 (Built-in Mathematica Symbol)

SphericalHankelH2[n, z] gives the spherical Hankel function of the second kind h_n^(2)(z).

DMSList (Built-in Mathematica Symbol)

DMSList[\[Theta]] converts an angle \[Theta] given in decimal degrees to a DMS list {degree, minute, second}.DMSList["dms"] converts a DMS string to a DMS list {degree, ...

Math & Counting Operations on Lists (Mathematica Guide)

Ordinary mathematical functions in Mathematica are always "listable", so that they are immediately applied in parallel across lists. Mathematica provides a wide variety of ...

HeavisideLambda (Built-in Mathematica Symbol)

HeavisideLambda[x] represents the triangle distribution \[CapitalLambda](x) which is nonzero for |x| < 1.HeavisideLambda[x_1, x_2, ...] represents the multidimensional ...