$NewMessage is a global variable which, if set, is applied to the symbol name and tag of messages that are requested but have not yet been defined.
Lists are widely used in Mathematica, and there are many ways to construct them. Some explicit ways to construct lists. This gives a table of the first five powers of 2.
Attributes for controlling numerical evaluation. Usually N goes inside functions and gets applied to each of their arguments. This tells Mathematica not to apply N to the ...
Cells as Mathematica Expressions Notebooks as Mathematica Expressions Manipulating Notebooks from the Kernel
Mathematical Notation in Notebooks Special Characters Names of Symbols and Mathematical Objects
Different kinds of vector and matrix multiplication. This multiplies each element of the vector by the scalar k. The "dot" operator gives the scalar product of two vectors.
MOL2
(Mathematica Import/Export Format) MIME type: chemical/x-mol2 Tripos MOL2 molecule model files. Used in cheminformatics applications and on the web for storing and exchanging 3D molecule models. Native format ...
AstronomicalData["name", " property"] gives the value of the specified property of the astronomical object with the specified name.AstronomicalData["name", {"property", ...
Mathematica can automatically export both individual graphics and complete documents to print-ready formats.