x-- decreases the value of x by 1, returning the old value of x.
x++ increases the value of x by 1, returning the old value of x.
ListPlot[{y_1, y_2, ...}] plots points corresponding to a list of values, assumed to correspond to x coordinates 1, 2, .... ListPlot[{{x_1, y_1}, {x_2, y_2}, ...}] plots a ...
MeshStyle is an option for Plot3D, DensityPlot, and other plotting functions that specifies the style in which to draw a mesh.
++x increases the value of x by 1, returning the new value of x.
ListPlay[{a_1, a_2, ...}] creates an object that plays as a sound whose amplitude is given by the sequence of levels a_i.
Divisors[n] gives a list of the integers that divide n.
Print
(Built-in Mathematica Symbol) Print[expr] prints expr as output.
PermutationOrder[perm] gives the order of permutation perm.
PolynomialExtendedGCD[poly_1, poly_2, x] gives the extended GCD of poly_1 and poly_2 treated as univariate polynomials in x.PolynomialExtendedGCD[poly_1, poly_2, x, Modulus ...