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<DIV><FONT face=Arial color=#000000 size=2>Is it possible to display the x-axis as fractions of pi? </FONT><FONT face=Arial size=2>For example:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>-2pi, -3/2 pi, -pi, -1/2 pi, 0, 1/2 pi, pi, 3/2pi, 2pi OR</FONT></DIV>
<DIV><FONT face=Arial size=2>-2pi, -3pi/2, -pi, -pi/2, 0, pi/2, pi, 3pi/2, 2pi</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Thanks.</FONT></DIV>
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