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  1. Jul 13, 2015 #1
    I'm psyched to be on here
  2. jcsd
  3. Jul 13, 2015 #2
    Welcome to PF!
  4. Jul 13, 2015 #3
    Gracias. By the way, is there a way on here to write a complex math equation (to me at least) like limit as dt goes to zero of ds (how they show instaneous velocity in the textbooks)?
  5. Jul 14, 2015 #4


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    See here:
  6. Jul 14, 2015 #5
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