Aug 14, 2015 #1 gracy Messages 2,486 Reaction score 83 I have seen some answered thread having Capital B in a square?why is that so?
Aug 14, 2015 #2 gracy Messages 2,486 Reaction score 83 Some have A and I .WHY?What these alphabets stand for?
Aug 14, 2015 #3 Qwertywerty Messages 501 Reaction score 66 https://www.physicsforums.com/threads/new-thread-level-prefixes-b-i-a.824360/