File > Close (Mathematica Menu Item)

Close closes the current notebook.

File > Exit (Mathematica Menu Item)

Exit causes Mathematica to quit.

File > Print Selection... (Mathematica Menu Item)

Print Selection prints a selection.

Complement (Built-in Mathematica Symbol)

Complement[e_all, e_1, e_2, ...] gives the elements in e_all which are not in any of the e_i.

Introduction (C Compiler Driver Package Tutorial)

The CCompilerDriver package lets you work with C compilers that are installed on your computer. It lets you build executables, libraries, and object files from C source code. ...

RootReduce (Built-in Mathematica Symbol)

RootReduce[expr] attempts to reduce expr to a single Root object.

$LibraryError (Library Link Symbol)

$LibraryError returns the system-dependent error message from loading a library, or None if there was no error.

OpenSQLConnection (DatabaseLink Symbol)

OpenSQLConnection[src] makes a connection to a data source.OpenSQLConnection[] opens a GUI that helps to make a connection to a data source.

PNG (Mathematica Import/Export Format)

Registered MIME type: image/png PNG raster image format. Commonly used for graphics and photographic images on the web. PNG is an acronym for Portable Network Graphics. ...

Controlling the Precision of Results (Mathematica Tutorial)

In doing numerical operations like NDSolve and NMinimize, Mathematica by default uses machine numbers. But by setting the option WorkingPrecision->n you can tell it to use ...