From the APPS, Data/Matrix Editor Window you can set up a regression function to fit the data.
Select F5 Calc.  When you entered the type of regression function, the two lists c1 and c2, and where you would like the equation placed, press ENTER
You will see the values which the calculator has determined for the data.  Note how these match the equation given in the previous table.
When you press DIAMOND GRAPH you will see the line pass through the data.

rev. 02/11/11