TrigFactor[expr] factors trigonometric functions in expr.
ParabolicCylinderD[\[Nu], z] gives the parabolic cylinder function D_\[Nu] (z).
ExpandNumerator[expr] expands out products and powers that appear in the numerator of expr.
TrigToExp[expr] converts trigonometric functions in expr to exponentials.
FindLinearRecurrence[list] finds if possible the minimal linear recurrence that generates list.FindLinearRecurrence[list, d] finds if possible the linear recurrence of ...
Modulus
(Built-in Mathematica Symbol) Modulus -> n is an option that can be given in certain algebraic functions to specify that integers should be treated modulo n.
Matrices are represented in Mathematica with lists. They can be entered directly with the { } notation, constructed from a formula, or imported from a data file. Mathematica ...
General issues about the internal implementation of Mathematica are discussed in "The Internals of Mathematica". Given here are brief notes on particular features. These ...
Together[expr] puts terms in a sum over a common denominator, and cancels factors in the result.
Factor
(Built-in Mathematica Symbol) Factor[poly] factors a polynomial over the integers. Factor[poly, Modulus -> p] factors a polynomial modulo a prime p. Factor[poly, Extension -> {a_1, a_2, ...}] factors a ...