NaN is the symbol used by the functions in the Computer Arithmetic Package to represent a nonrepresentable number.

PerfectPowerQ[e, n] gives True if e is a perfect n\[Null]^th power in its field, and False otherwise.

ClearNotations[] will remove all notations, symbolizations and infix notations.

The following are some issues and considerations to be aware of when using the Notation Package and/or designing notations. It is intrinsically difficult to debug something ...

Vertices[polytope] gives a list of the vertex coordinates of polytope.

Mathematica not only fits into standard accessibility frameworks, but also provides its own highly flexible interface accessibility options.

Building on its broad strengths in mathematics in general, and in special functions in particular, Mathematica provides a unique level of support for analytic number theory, ...

Mathematica immediately allows you to do arithmetic not only with individual numbers, but also with arbitrary lists or arrays—as well as symbolic and algebraic forms. ...

Mathematica allows any front end command to be executed programmatically from within the kernel by sending an appropriate front end token. There are tokens for all standard ...

Mathematica not only allows you to insert arbitrary graphics into user interfaces, but also provides convenient characters that allow you immediately to build and document ...