Is there a way to get an exponent to appear in a text area?
In case you need just numbers you may use the super script Unicode digits like
²
SUPERSCRIPT TWO
Unicode: U+00B2, UTF-8: C2 B2
And a Xojo example:
me.text = “x² + x³”
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See blog post here
SuperScript and SubScript for Xojo Textarea
And the sample project included with our plugins.
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According to this Wikipedia page, there should be more:
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Awesome reference thank you Greg. I didn’t think of searching in that space.
Thanks Christian checking it out now 
Hi Christian,
It gives an NS Exception error on this line n.typingAttributes = att
Latest Xojo Version
The dictionary seems to have a nil value. Please check.