Special Characters Most special characters will render okay on most browsers. A few may not display a few properly. More at http://www.htmlhelp.com/reference/html40/entities/ super- and sub-scripts enclose characters between <sup> for superscript (<sub> for subscript) and </sup> for superscript (</sub> for subscript); e.g., for Ca++, type Ca<sup>++</sup> dagger † - type &dagger; double dagger ‡ - type &Dagger; degree ° - type &deg; 1/2 ½ - type &frac12; 1/4 ¼ - type &frac14; alpha α - type &alpha; beta β - type &beta; gamma γ - type &gamma; micro µ - type &micro; greater than > - type &gt; less than < - type &lt;