Changes

[http://chezdom.net/blog/?page_id=51 Braille math codes]:* Nemeth (North AmericaUnited States, Canada, India, Iran, Israel, Lebanon, New Zealand, Pakistan, Saudi Arabia, Sri Lanka, Thailand, USA and Western Samoa.* Nemeth with modifications for Greek (Greece)* UEBC (Australia, New Zealand, Nigeria and South Africa)* British(U.K.)* Marburg (Germany, Austria, Poland)* Modified Marburg Braille for Chinese (China)* Stuttgart (8 dot Braille, used with German Braille, not common)* Lambda(8 dot Braille, also used as intermediate translation medium)