What is a function?
Functions can be described as Excel's
pre-made formulas. They can perform specific operations
and calculations that return a value to the cell
they are enter in.
Functions require input in order
to perform a calculation this input is called the
argument of a function.
using ranges as arguments
Reference operators
There are two types of reference
operators range and union.
A range reference specified all
the cells between and including a cell reference.
unions are town or more addresses
separated by a comma
combining range and union references
in an equation. (excellent way to skip cells).
Formula tips
In excel there are two types of
input essential and nonessential. Essential input
is highlighted in bold this is required data that
must be entered into the function for it to operate.
Non essential input that does not have to be entered
is in regular style text.