Rational is the head used for rational numbers.

Mathematica not only allows you to mix arbitrary graphics into text, but also provides convenient font characters for some common shapes and icons.

AlgebraicUnitQ[a] yields True if a is an algebraic unit, and yields False otherwise.

Prolog is an option for graphics functions which gives a list of graphics primitives to be rendered before the main part of the graphics is rendered.

 

SymletWavelet[] represents the Symlet wavelet of order 4.SymletWavelet[n] represents the Symlet wavelet of order n.

When you manipulate power series, it is sometimes convenient to think of the series as representing functions, which you can, for example, compose or invert. Composition and ...

Exclusions is an option that specifies where to exclude in regions used by functions like Plot, Plot3D, and NIntegrate.

Mathematica 8 introduces numerous new usability features, including a whole new paradigm for entering input using free-form linguistics that no longer require even ...

Graphs provide great information visualization. Highlighting graph elements will let information stand out. By using algorithmic graph layouts, much of the structure in a ...