ActiveInputAliases[] returns a list of all active aliases in the current notebook. ActiveInputAliases[notebook] returns a list of all active aliases in the notebook notebook.

AbsIJK[q] gives the absolute value of the pure quaternion part of q.

LeftAssociates[q] gives a list of the 24 left associates of the quaternion q.

RightAssociates[q] gives a list of the 24 right associates of the quaternion q.

UnitQuaternions gives a list of the 24 units in the ring of integer quaternions.

Frequently, physical systems exhibit special symmetries or structures that make a particular coordinate system especially useful. In a mathematically elegant solution to ...

Mathematica normally organizes the cells in a notebook automatically into hierarchical groups. Double-clicking lets you show only the heading cell of a group, or only a ...

Mathematica offers a variety of methods for accessing the system clipboard and clipboard-like operations. In addition to the traditional interactive methods for accessing the ...

Mathematica's unified symbolic architecture and dynamic object mechanism makes possible a uniquely flexible form of direct-manipulation inspector, in which an arbitrary ...

Mathematica's unified symbolic architecture allows arbitrary extensibility in the output and input of notation.