If some math characters do not appear correctly, answer the following questions in the order given:
Do these Greek letters display properly in your browser?
Which string of math characters displays correctly?
The following should display correctly if you have a Unicode font with the required characters installed. If you do not have such a font and would like to have one, download Lucida Sans Unicode from this site and install it.
If (a) cannot work for you, try this one. This method uses the symbol font in a non-standard way. This works on most browsers.
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