$ControlActiveSetting is a symbol whose value is True if it is evaluated while a control is active, or in certain other previewing situations.

At the core of Mathematica's graphics language are geometrical objects, represented succinctly and efficiently by simple symbolic constructs —to which all of Mathematica's ...

ReflectionMatrix[v] gives the matrix that represents reflection of points in a mirror normal to the vector v.

PolyhedronData[poly, " property"] gives the value of the specified property for the polyhedron named poly.PolyhedronData[poly] gives an image of the polyhedron named ...

ReflectionTransform[v] gives a TransformationFunction that represents a reflection in a mirror through the origin, normal to the vector v.ReflectionTransform[v, p] gives a ...

Manipulate is an extremely powerful function that immediately creates complete dynamic interfaces, automatically optimized for usability and appearance. For specific ...

Mathematica allows graphics to appear anywhere in notebooks, including inline in text or other expressions. You can specify how the graphics should be placed and rendered, ...

InverseFourier[list] finds the discrete inverse Fourier transform of a list of complex numbers.

Sharpen[image] gives a sharpened version of image.Sharpen[image, r] gives a version of image sharpened over pixel radius r.

AlphaChannel[image] returns the alpha channel of image.