RegionPlot (Built-in Mathematica Symbol)

RegionPlot[pred, {x, x_min, x_max}, {y, y_min, y_max}] makes a plot showing the region in which pred is True.

File > Printing Settings (Mathematica Menu Item)

Printing Settings menu commands to specify a printing setting or printing environment.

Simplifying with Assumptions (Mathematica Tutorial)

Simplifying with assumptions. Mathematica does not automatically simplify this, since it is only true for some values of x. Sqrt[x^2] is equal to x for x≥0, but not otherwise.

Do Linear Algebra (Mathematica How To)

These "How tos" give step-by-step instructions for common tasks related to linear algebra in Mathematica .

Setting Up Hyperlinks (Mathematica Tutorial)

Methods for generating hyperlinks. A hyperlink is a special kind of button which jumps to another part of a notebook when it is pressed. Typically hyperlinks are indicated in ...

Setting Up External Functions to Be ... (Mathematica Tutorial)

If you have a function defined in an external program, then what you need to do in order to make it possible to call the function from within Mathematica is to add ...

Simplify (Built-in Mathematica Symbol)

Simplify[expr] performs a sequence of algebraic and other transformations on expr, and returns the simplest form it finds. Simplify[expr, assum] does simplification using ...

Simplification (Mathematica Tutorial)

Simplifying expressions. Mathematica does not automatically simplify an algebraic expression like this. Simplify performs the simplification.

MeshFunctions (Built-in Mathematica Symbol)

MeshFunctions is an option for plotting functions that specifies functions to use to determine the placement of mesh divisions.

$CharacterEncodings (Built-in Mathematica Symbol)

$CharacterEncodings gives the list of character encodings that can be used.