The Structure of Mathematica (Mathematica Tutorial)

Mathematica is a modular software system in which the kernel which actually performs computations is separate from the front end which handles interaction with the user. The ...

DirectoryName (Built-in Mathematica Symbol)

DirectoryName["name"] extracts the directory name from the specification for a file.

Coordinates (Vector Analysis Package Symbol)

Coordinates[] gives a list of the default coordinate variables in the default coordinate system. Coordinates[coordsys] gives a list of the default coordinate variables in the ...

SI (Units Package Symbol)

SI[expr] converts expr to SI units (International System).

JacobianDeterminant (Vector Analysis Package Symbol)

JacobianDeterminant[pt] gives the determinant of the Jacobian matrix of the transformation from the default coordinate system to the Cartesian coordinate system at the point ...

ExpandFileName (Built-in Mathematica Symbol)

ExpandFileName["name"] textually expands name to have the form of an absolute file name for your operating system.

ResetDirectory (Built-in Mathematica Symbol)

ResetDirectory[] resets the current working directory to its previous value.

Machine-Precision Numbers (Mathematica Tutorial)

Whenever machine-precision numbers appear in a calculation, the whole calculation is typically done in machine precision. Mathematica will then give machine-precision numbers ...

Input and Construct File Names in ... (Mathematica How To)

Mathematica provides a simple and consistent method for accessing and using files. In addition to inserting a file path that is specific to your operating system, Mathematica ...

Exit (Built-in Mathematica Symbol)

Exit[] terminates a Mathematica kernel session.