ViewCenter is an option for Graphics3D and related functions which gives the scaled coordinates of the point which should appear at the center of the final image.

$Assumptions is the default setting for the Assumptions option used in such functions as Simplify, Refine, and Integrate.

$CharacterEncoding specifies the default raw character encoding to use for input and output functions.

$MinMachineNumber is the smallest positive machine-precision number that can be used on a particular computer system.

$ProcessorCount gives the number of processor cores available on the computer system on which Mathematica is being run.

Other tutorials have discussed explicit loading of Mathematica packages using <<package and Needs[package]. Sometimes, however, you may want to set Mathematica up so that it ...

When you write a program in Mathematica, you should always try to set it up so that its parts are as independent as possible. In this way, the program will be easier for you ...

Converting between strings and lists of characters. This gives a list of the characters in the string. You can apply standard list manipulation operations to this list.

Steps in the operation of Mathematica. When you type something like x^2 what Mathematica at first sees is just the string of characters x, ^, 2. But with the usual way that ...

Importing and exporting tabular data. This exports an array of numbers to the file out.dat. Here are the contents of the file out.dat.