Apple iWork '09 - Manual (Page 41)

Chapter 2 Overview of the iWork Functions 41
Pasting from Examples in Help
Many of the examples in help can be copied and pasted directly into a table or,
in Numbers, onto a blank canvas. There are two groups of examples which can be
copied from help and pasted into a table. The first are individual examples included
within help. All such examples begin with an equal sign (=). In the help for the HOUR
function, there are two such examples.
To use one of these examples, select the text beginning with the equal sign through
the end of the example.
Once this text is highlighted, you can copy it and then paste it into any cell in a table.
An alternative to copy and paste is to drag the selection from the example and drop it
onto any cell in a table.
The second kind of example that can be copied are example tables included within
help. This is the help example table for ACCRINT.
To use an example table, select all the cells in the example table, including the first row.
Once this text is highlighted, you can copy it and then paste it into any cell in a table
or onto a blank canvas in a Numbers sheet. Drag and drop cannot be used for this
type of example.