PEN value PEN expression
The PEN
command sets the colour of the text displayed in the current
window, when followed by the colour index number of your choice.
The default setting of the pen colour is index number DEFAULT PEN
,
and alternative colours may be selected from one of up to PEN COLORS
choices, depending on the current graphics mode.
PEN 4 PEN esempio
Pn
If you have encountered a problem using this command, if you think there is a bug or the explanation is unclear, please open an issue for this keyword on GitHub. Thank you!