\mbox
command to insert normal text into
an expression. This command forces LATEX temporarily out of
maths mode, so that its argument will be treated as normal text.
It's use is simple, but we must be wary on one count: remember that
LATEX ignores all space characters when in maths mode; so to
surround words in an expression that were placed by an
\mbox
command by space you must include the space
in the \mbox
argument.
In section we'll learn of some special spacing commands
that can be used in math mode. These are often very useful in positioning
text within an expression, enhancing readability and logical layout.