Supporting a large number of numerical integration methods for differential equations is a lot of work. In order to cut down on maintenance and duplication of code, common ...

Finding lines that contain specified text. Here is a file containing some text. This returns a list of all the lines in the file containing the text is.

Typical ways to enter characters. All printable ASCII characters can be entered directly. Those that are not alphanumeric are assigned explicit names in Mathematica, allowing ...

The introduction of Mathematica 6 in 2007 represented a revolutionary redefinition of Mathematica. Arriving only 18 months after Mathematica 6, Mathematica 7 represents ...

Generic tabular data. Stores numerical and textual information, formatted as a table. Supports user-defined field and record separators, field delimiters, currency tokens, ...

NDSolve returns solutions as InterpolatingFunction objects. Most of the time, simply using these as functions does what is needed, but occasionally it is useful to access the ...

This example illustrates how to take advantage of Widget["Action"] objects and easily connect and construct typical user interface elements, such as menu items, toolbars, ...

AddEventHandler[obj@event, func] assigns the specified Mathematica function func to be called when the given event event fires.

In Mathematica, a palette is just a notebook with a collection of controls such as buttons. A uniquely powerful consequence of Mathematica's unified design is that a symbolic ...

AbsoluteFileName["name"] gives the full absolute version of the name for a file in your filesystem.