This cannot be accomplished at this time (unless there's some sort of weird UTF-8 character that looks like a superscripted 2).
My recommendation would be to write out the units of measurement ala: http://chart.apis.google.com/chart?chxt=x&; chxl=0:||Kilometers%20Squared%20(km^2)|& cht=bhs& chd=s:c9uDc& chs=200x125 Cheers, K --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Chart API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-chart-api?hl=en -~----------~----~----~----~------~----~------~--~---
