GroupPageBreakWithin is an option for Cell that specifies whether a page break should be allowed within the group of cells if the notebook that contains the group is printed.

In addition to the interfaces of Import and Export, Mathematica 8 comes with an autoloading mechanism that simplifies the registration of formats used by the Import and ...

Mathematica contains some powerful primitives for making structural changes to expressions. You can use these primitives both to implement mathematical properties such as ...

AtomQ[expr] yields True if expr is an expression which cannot be divided into subexpressions, and yields False otherwise.

Unicode: 2043. Uninterpretable element. ⁃ name ⁃ is used on output to indicate an expression that has head name, but whose arguments will not explicitly be given. ...

Open/Close Group toggles a cell group between open and closed. Closing a group collapses all cells in the group so that only the head cell is visible.

Integer is the head used for integers.

Much of what Mathematica does revolves around manipulating structured expressions. But you can also use Mathematica as a system for handling unstructured strings of text. ...

OptionValue[name] gives the value of name in options matched by OptionsPattern. OptionValue[f, name] gives the value of name for options associated with the head f. ...

EvaluationNotebook[] gives the notebook in which this function is being evaluated.