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The embedded symbols will be evaluated at run-time, so they will be correct both on the display and if you send this command to a PostScript file, or make a 

cgPlot, cgDemoData(1), XTitle='Length ($\mu$M)', YTitle='Distance ($\Angstrom$$\up2$)', $       Output='embedsymbols_1.png', Aspect = 0.66

Embedded symbols are rendered correctly on the display and in PostScript and in  high-quality raster files.

There is no particular limit to how many characters can be included in superscripts and subscripts. The following embedded symbols can be used.

• $\upTEXT$ — Raise the text in TEXT to superscript level and reduce character size by 62%.
• $\extTEXT$ — Raise the text in TEXT to superscript level and reduce character size by 44%.
• $\downTEXT$ — Lower the text in TEXT to subscript level and reduce character size by 62%.
• $\subTEXT$ — Lower the text in TEXT to subscript level and reduce character size by 44%.

Here is a contrived example.

cgPlot, cgDemoData(1), Charsize=2.0, $       XTitle='Distance ($\angstrom$$\up2$)', $       YTitle='H$\subSubscript$ and B$\expSuperscript$'

You see the results here.

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