Dividers is an option for Grid and related constructs that specifies where and how to draw divider lines.
FractionalPart[x] gives the fractional part of x.
FrameTicks is an option for 2D graphics functions that specifies tick marks for the edges of a frame.
GroebnerBasis[{poly_1, poly_2, ...}, {x_1, x_2, ...}] gives a list of polynomials that form a Gröbner basis for the set of polynomials poly_i. GroebnerBasis[{poly_1, poly_2, ...
IntegerDigits[n] gives a list of the decimal digits in the integer n. IntegerDigits[n, b] gives a list of the base b digits in the integer n. IntegerDigits[n, b, len] pads ...
Join
(Built-in Mathematica Symbol) Join[list_1, list_2, ...] concatenates lists or other expressions that share the same head.Join[list_1, list_2, ..., n] joins the objects at level n in each of the list_i.
KleinInvariantJ[\[Tau]] gives the Klein invariant modular elliptic function J(\[Tau]).
Multinomial[n_1, n_2, ...] gives the multinomial coefficient (n_1 + n_2 + ...)!/(n_1! n_2! ...).
PermutationCycles[perm] gives a disjoint cycle representation of permutation perm.
PseudoInverse[m] finds the pseudoinverse of a rectangular matrix.