Mathematica gives you immediate access to many details of your Mathematica session—in the form of symbolic expressions that can readily be manipulated by the Mathematica ...

Mathematica provides a core set of functions for performing block-diagram reduction and various model manipulations. Building on Mathematica's unique symbolic architecture, ...

TrigFactorList[expr] factors trigonometric functions in expr, yielding a list of lists containing trigonometric monomials and exponents.

Structural Operations on Polynomials Finding the Structure of a Polynomial Polynomial Orderings

Functions for combining lists. Join concatenates any number of lists together. Union combines lists, keeping only distinct elements.

Principles of Evaluation Reducing Expressions to Their Standard Form Attributes

Modules and Local Variables Local Constants How Modules Work

There are four kinds of bracketing used in Mathematica. Each kind of bracketing has a very different meaning. It is important that you remember all of them. The four kinds of ...

ElementData["name", " property"] gives the value of the specified property for the chemical element " name".ElementData[n, " property"] gives the specified property for the ...