"A function is a pre-defined calculation entered in a cell to
help you analyze or manipulate data in a spreadsheet. All you have
to do is add the arguments, and the calculation is automatically
made for you. Beginners might be content to use Calc for lists,
but, for advanced users, functions are the main reason for
spreadsheets. If you understand functions, then you can start to
use the real power of a spreadsheet.
"In Part 1 of this article, I'll give a brief overview of
functions and how they operate. Then, in Part 2, I'll talk about
how to work with them, and give some examples of what they can
do..."
