Math Expression Home › Forums › Nemeth Code for Math and Science › Math Expression This topic has 1 reply, 1 voice, and was last updated 13 years, 7 months ago by Chris Clemens. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 25, 2010 at 8:50 pm #10265 Chris ClemensKeymaster In a Nemeth book, I have a math expression as follows: ;86^222",rn+;2^4",he Is a space needed after the n, before the plus sign? Rn is the symbol for radon and He is for helium. Thank you. April 27, 2010 at 11:14 am #20287 Chris ClemensKeymaster I figured it out. No space needed. Thank you anyway:) Author Posts Viewing 2 posts - 1 through 2 (of 2 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.