Steren CAL-150 Instructivo De Uso página 147

Arithmetic Operation Buttons
For addition, subtraction, multiplication, and division, press
the corresponding buttons in regular order.
For the combination of buttons, follow the following steps:
COMP Mode
Press the
This function will allow you to zoom in or out on the current
graph.
COMP or SD Mode
LR Mode
Graphing Keys
Use these buttons in order to begin graphs
These keys cannot be used in Base-N mode
button followed by the
coordinates the transformation.
Estimated calculation of the x or y value
coordinates the transformation.
button.