Turns on pixels beneath the cursor.
Turns off pixels beneath the cursor.
Draws a line from a marked point to the
Draws a rectangle from a marked point to the
Draws a circle around a marked point with a
radius indicated by the position of the cursor.
Marks a point. Same as pressing
Inverts the cursor when it crosses an object.
Displays axes labels.
Deletes that part of the graphic bounded by a
rectangle from a marked point to the cursor.
Erases the entire graphic.
Hides the function-key menu. (Press
to redisplay the menu.)
Copies to the stack that part of the graphic
bounded by the rectangle from a marked
point to the cursor
Pastes what was last copied with
Copies the graphic to the stack.
Copies the cursor coordinates to the stack.
Replaces the edit menu with the picture
to mark a point).
but toggles pixels on or off.