Chemistry/physics symbol Home › Forums › Nemeth Code for Math and Science › Chemistry/physics symbol This topic has 4 replies, 1 voice, and was last updated 13 years, 4 months ago by Chris Clemens. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts June 23, 2010 at 4:25 pm #10347 Chris ClemensKeymaster In a chemistry book I'm doing, there is a symbol for proportionality that looks like an 8 turned sideways, with one end open. I found the symbol on the internet, but can't find a braille symbol. Can anyone help me with this? July 14, 2010 at 8:18 pm #20402 Chris ClemensKeymaster Sounds like it could be variation?See page 144 (12) in The Nemeth Braille Code For Mathematics And Science Notation, 1972 Revision (Green Code Book). July 14, 2010 at 8:31 pm #20399 Chris ClemensKeymaster If you don't have the (Green) Nemeth Code Book the dots for this are 456, 123456.You would put a space before and after the variation symbol.Hope this helps. July 14, 2010 at 8:50 pm #20400 Chris ClemensKeymaster The only other thing that I found in the Nemeth Code Book that could resemble an 8 turned sideways, with one end open is on page 23.The Greek lower-case alpha (ordinary lower-case a). July 16, 2010 at 8:35 am #20401 Chris ClemensKeymaster Thank you for answering the question posted here. You are correct that the braille symbol for this is 456, 123456. It stands for proportionality. Author Posts Viewing 5 posts - 1 through 5 (of 5 total) Everyone is free to read the forums, but only current NBA members can post. Become a member today. Click here to Login and return.