Marks left/right/top/bottom every...
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Four of the commands in the Margins menu of the Picture window.
Purpose
To draw a number of equally spaced marks into the margins around the drawing area.
Settings
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Units
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the units, relative to the standard units, for writing the numbers; for example, if you want time in milliseconds instead of seconds (which is always the standard), Units should be 0.001.
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Distance
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the distance between the equally spaced marks that will be drawn, expressed in Units; for example, if you want marks every 20 milliseconds, and Units is 0.001, this argument should be 20.
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Write numbers
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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.
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Draw ticks
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if on, short line pieces will be drawn in the margin.
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Draw dotted lines
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if on, dotted lines will be drawn through your drawing.
© ppgb 19970330