document.write('<a name=TertAxis></a><hr>');
document.write('<center><table width=90% border=0 cellpadding=0 cellspacing=0><tr><td>');
document.write('<h5 align=center><a href=TertiaryAxis.html>Tertiary Y Axis.</a></h5>');

document.write('<p>I once had a page on this site that showed how to generate additional axes in a chart. With the technique you could go beyond primary and secondary axes, to tertiary and quaternary axes, and even more.</p>');
document.write('<p>Given that charts with just primary and secondary axes can be confusing, a tertiary axis is just overkill. Multi-axis charts can be cluttered and confusing, even when using a custom color scheme to help identify each series with its corresponding axis.</p>');
document.write('<p>I propose using Panel Charts as a substitute for charts with confusing multiple axes. Here are some tutorials and examples of panel charts:</p>');
document.write('<ul><li><a href=../ChartsHowTo/PanelChart1.html>Panel Chart Example: Chart with Vertical Panels</a><br>&nbsp;</li>');
document.write('<li><a href=StackedCharts.html>Stacked Charts With Vertical Separation</a><br>&nbsp;</li>');
document.write('<li><a href=../ChartsHowTo/PanelUnevenScales.html>Panel Charts with Different Scales</a><br>&nbsp;</li>');
document.write('<li><a href=../Commentary/BirthsByDayOfYear.html>Births by Day of the Year</a><br>&nbsp;</li></ul>');
document.write('<p align=center><img src=../pix6/TriPanel18.png width=448 height=408 border=0></p>');
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