WorkingPrecision (Built-in Mathematica Symbol)

WorkingPrecision is an option for various numerical operations that specifies how many digits of precision should be maintained in internal computations.

$ConfiguredKernels (Built-in Mathematica Symbol)

$ConfiguredKernels is the default list of kernels that are configured to be launched for parallel computing.

$MaxMachineNumber (Built-in Mathematica Symbol)

$MaxMachineNumber is the largest machine-precision number that can be used on a particular computer system.

$MaxNumber (Built-in Mathematica Symbol)

$MaxNumber gives the maximum arbitrary-precision number that can be represented on a particular computer system.

$Path (Built-in Mathematica Symbol)

$Path gives the default list of directories to search in attempting to find an external file.

$Pre (Built-in Mathematica Symbol)

$Pre is a global variable whose value, if set, is applied to every input expression.

$PrePrint (Built-in Mathematica Symbol)

$PrePrint is a global variable whose value, if set, is applied to every expression before it is printed.

$PreRead (Built-in Mathematica Symbol)

$PreRead is a global variable whose value, if set, is applied to the text or box form of every input expression before it is fed to Mathematica.

$TemporaryDirectory (Built-in Mathematica Symbol)

$TemporaryDirectory gives the main system directory for temporary files on your computer system.

Applying Transformation Rules (Mathematica Tutorial)

Applying transformation rules. The replacement operator /. (pronounced "slash-dot") applies rules to expressions. You can give a list of rules to apply. Each rule will be ...