[Right-click] > Print Image... (Mathematica Menu Item)

Print Image prints the selected (or clicked upon) image.

File > Print Selection... (Mathematica Menu Item)

Print Selection prints a selection.

File > Send To... (Mathematica Menu Item)

Send To launches your email application to email a notebook (Windows only).

File > Save Selection As (Mathematica Menu Item)

Save Selection As saves the selection in a file with the specified file format.

Data Manipulation (Mathematica Overview)

"How to" Topics Files, Streams, and External Operations Importing and Exporting

FourierDCT (Built-in Mathematica Symbol)

FourierDCT[list] finds the Fourier discrete cosine transform of a list of real numbers.FourierDCT[list, m] finds the Fourier discrete cosine transform of type m.

ToString (Built-in Mathematica Symbol)

ToString[expr] gives a string corresponding to the printed form of expr in OutputForm. ToString[expr, form] gives the string corresponding to output in the specified form.

CUDAImageConvolve (CUDALink Symbol)

CUDAImageConvolve[img, kern] gives the convolution of img with kern.CUDAImageConvolve[list, kern] gives the convolution of list with kern.CUDAImageConvolve[mem, kern] gives ...

MatrixPlot (Built-in Mathematica Symbol)

MatrixPlot[m] generates a plot that gives a visual representation of the values of elements in a matrix.

Generalized Input (Mathematica Tutorial)

The fundamental paradigm of most computer languages, including Mathematica, is that input is given and processed into output. Historically, such input has consisted of ...