$MinMachineNumber (Built-in Mathematica Symbol)

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

$ModuleNumber (Built-in Mathematica Symbol)

$ModuleNumber gives the current serial number to be used for local variables that are created.

$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.

$UserBaseDirectory (Built-in Mathematica Symbol)

$UserBaseDirectory gives the base directory in which user-specific files to be loaded by Mathematica are conventionally placed.

Higher-Order Euler and Legendre ... (Mathematica Tutorial)

An Euler equation is an ODE of the form The following is an example of an Euler equation. The Legendre linear equation is a generalization of the Euler equation. It has the ...

Separable Equations (Mathematica Tutorial)

The general solution to this equation is found by separation of variables. Even when variables can be separated, the final solution might be accompanied by a warning message ...

Generic and Non-Generic Cases (Mathematica Tutorial)

This gives a result for the integral of x^n that is valid for almost all values of n. For the special case of x^-1, however, the correct result is different. The overall goal ...

Graphics as Input (Mathematica Tutorial)

An image is equivalent to its symbolic expression. You can operate on an image as you would on a symbolic expression. This input produces some disks. Type // InputForm after ...

CUDALink Setup (CUDALink Tutorial)

This section is concerned with the way that CUDALink is set up and configured for your machine. It will also help to track down and correct problems. CUDALink is designed to ...