In order to delete the screen:
If the screen is a graph:
If the screen is a text:
Corrections
In order to make corrections while you are elaborating a for-
mula, use the
button and the
button in order
to place yourself in the correct place and then introduce the
correct value.
Example:
In order to change a number from 122 to 123:
If you wish to add more information to you formula, use the
button to go to the end of the formula and introduce
the new data.
If one character has been entered by mistake, use the
button and the
button to place yourself at the
location of the mistake and press the
button.