Trace button
Use this button in order to trace over an existing graph and
show the value of the x and y coordinates.
Press the
button after pressing the
button in
order to trace a point on the graph.
In order to indicate data entry within a programmed calcula-
tion or in order to repeat the calculation, press the
button and the
button.
Graphic – Text / Clear Screen
This button allows you to change between text and graphic
view on the LCD screen.
Press the
button in order to clear the visualiza-
tion of the graphic (the word DONE will appear on the LCD
screen).
Function Keys
Use this option for functional calculations. Various different
functions are available by pressing these buttons along with
the
button.