Wolfram LibraryLink provides a powerful way to connect external code to Mathematica, enabling high-speed and memory-efficient execution. It does this by allowing dynamic ...

LibraryFunction[args] represents a function that has been loaded from a Wolfram Library.

LibraryFunctionUnload[fun] unloads a LibraryFunction so that it cannot be used.

$LibraryPath gives the default list of directories to search in attempting to find a library.

Mathematica makes it easy to "bulletproof" packages, and prevent features of their environment from affecting their internal operation.

FilePrint["file"] prints out the raw textual contents of file.

GUIScreenShot[interface] generates a graphic that captures the current state of the runtime user interface.

Java Connection Management >, InstallJava AddToClassPath ShowJavaConsole ..., Java Classes and Objects >, LoadJavaClass -- load and set up a Java class for use from ...

There will probably be times when you want to stop Mathematica in the middle of a calculation. Perhaps you realize that you asked Mathematica to do the wrong thing. Or ...