example:

σ

the html code for sigma is

σ

Code Name: sigma
Character: σ
Unicode Code Point (Decimal): U+03C3 (963)
Standard: HTML 4.0
DTD: HTMLsymbol
Old ISO Subnet: ISOgrk3
Description: Greek small letter sigma

You can use this sigma html code to customize your profiles like your myspace facebook hi5 friendster twitter and all other social network sites this is how you can put sigma symbols on your web page. what else besides Greek small letter sigma do you want to know the html code?