An introduction to HP apps 85
You can tell if a definition is selected by the tick (or checkmark)
beside it. A checkmark is added by default as soon as you create
a definition. So if you don’t want to plot or evaluate a particular
definition, highlight it and tap . (Do likewise if you want to
re-select a deselected function.)
Choose a color for plots
Each function and open
sentence can be plotted in a
different color. If you want to
change the default color of a
plot:
1. Tap t he colo red squ are to
the left of the function’s
definition.
You can also select the square by pressing
E while
the definition is selected. Pressing
E moves the
selection from the definition to the colored square and from
the colored square to the definition.
2. tap .
3. Select the desired color from the color-picker.
Delete a definition
To delete a single definition:
1. Tap once on it (or highlight it using the cursor keys).
2. Press
C.
To delete all the definitions:
1. P r e s s
SJ.
2. Tap or press
E to confirm your intention.