SuperscriptBox[x, y] is the low-level box representation for x^y in notebook expressions.

UnderoverscriptBox[x, y, z] is the low-level box representation for x_y^z in notebook expressions.

$MessageList is a global variable that gives a list of the names of messages generated during the evaluation of the current input line.

$TimeZone gives the current time zone to assume for dates and times.

We first encountered lists in "Making Lists of Objects" as a way of collecting numbers together. Here, we shall see many different ways to use lists. You will find that lists ...

Converting power series to normal expressions. Power series in Mathematica are represented in a special internal form, which keeps track of such attributes as their expansion ...

When you create or use Mathematica packages, you will often want to refer to files in a system-independent way. You can use contexts to do this. The basic idea is that on ...

The standard set of messages for built-in Mathematica functions are written in American English. In some versions of Mathematica, messages are also available in other ...

Exact symbolic results are usually very desirable when they can be found. In many calculations, however, it is not possible to get symbolic results. In such cases, you must ...

Methods for generating hyperlinks. A hyperlink is a special kind of button which jumps to another part of a notebook when it is pressed. Typically hyperlinks are indicated in ...