As per this thread: http://developer.qt.nokia.com/forums/viewthread/1773/

This page: http://doc.qt.nokia.com/latest/qpainter.html#limitations

Displays "two to the power of 15" as "215" due to the css firebug is claiming is in style.css line 59:

sup, sub {
vertical-align:baseline;
}

Obviously the "sup" shouldn't be there (and removing it fixes the problem), no idea if that's correct for "sub" or not, haven't tested it.