Abbreviations HomeForumsNemeth Code for Math and ScienceAbbreviations This topic has 1 reply, 2 voices, and was last updated 15 years, 3 months ago by dworthing. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts March 10, 2011 at 2:34 pm #10612 Chris ClemensKeymaster In the formula: SA = 4πr2, the SA stands for “surface area.”Should the SA be double capped or single capped? Is it an abbreviation? March 10, 2011 at 3:25 pm #20748 dworthingParticipant SA is an abbreviation and should be double capped. If you single cap the letters you are saying they are individual letters with individual identities that are multiplied together. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.