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  1. May 20, 2016 #1
    Just want to learn some physics (and maybe even help someone else.)
  2. jcsd
  3. May 20, 2016 #2


    Staff: Mentor

    Welcome to PF!
  4. Sep 29, 2016 #3
    This is just a test comment. If you see it, please ignore. I'm just using it as a sandbox. Now is the time to go to the store and get some...

    $$ \frac 2 3 $$
    eek eek eek
    ## \frac A B ##
    arg arg arg
    Last edited: Sep 29, 2016
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