Getting Information from Mathematica (Mathematica Overview)

Getting Information about Mathematica Objects Warnings and Messages Interrupting Calculations

GetComplexClass (JLink Symbol)

GetComplexClass[] returns the Java class used for complex numbers sent from, and returned to, Mathematica.

GetJavaException (JLink Symbol)

GetJavaException[] returns the Java Exception object that was thrown in the most recent call from Mathematica to Java.

GetActiveCOMObject (NETLink Symbol)

GetActiveCOMObject[string] acquires an already-running COM object specified by string, which can be either a ProgID (such as "Excel.Application") or a CLSID (such as ...

GetComplexType (NETLink Symbol)

GetComplexType[] returns the .NET type that is currently mapped to Mathematica Complex numbers.

Mathematica Packages (Mathematica Tutorial)

One of the most important features of Mathematica is that it is an extensible system. There is a certain amount of mathematical and other functionality that is built into ...

Notebooks as Mathematica Expressions (Mathematica Tutorial)

Expressions corresponding to notebooks. Here is a simple Mathematica notebook. Here is the expression that corresponds to this notebook.

Setting Up Mathematica Packages (Mathematica Tutorial)

In a typical Mathematica package, there are generally two kinds of new symbols that are introduced. The first kind are ones that you want to 'export' for use outside the ...

Standalone Mathematica Kernels (Mathematica Guide)

Mathematica's core language and computation capabilities can be accessed not only through its rich interactive notebook interface, but also directly through a command-line ...

Reading and Writing Mathematica Files (Mathematica Tutorial)

You can use files on your computer system to store definitions and results from Mathematica. The most general approach is to store everything as plain text that is ...