Marks left/right/top/bottom...

Four of the commands in the Margins menu of the Picture window.


To draw any number of equally spaced marks into the margins around the drawing area.


Number of marks
the number of equally spaced marks (2 or more) that will be drawn; there will always be marks at the beginning and end of the domain or range.
Write numbers
if on, real numbers will be written in the margin, expressed in the domain or range of your latest drawing in the horizontal or vertical direction.
Draw ticks
if on, short line pieces will be drawn in the margin.
Draw dotted lines
if on, dotted lines will be drawn through your drawing.


If you draw a Sound with a domain between 0 and 1 seconds to an amplitude range between -1 and 1, choosing Marks left... with a number of 3 and Draw dotted lines on, will give you horizontal marks and horizontal dotted lines at -1, 0, and 1; choosing Marks bottom... with a number of 6 and Draw dotted lines off, will give you vertical marks at 0, 0.2, 0.4, 0.6, 0.8, and 1.

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