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Expressions in English

  1. Jun 18, 2012 #1
    I apologise for choosing not so related topic, but I could'n find better one. I will have to read some math expressions in English for audience and I'm not sure how to say it. And when I ask English teacher, they don't know what it means in the first place and can't give me any advise either. Could you please help me?

    Example: a2 = a squared
    a×b = a cross b
    a+b = a plus b etc.

    These I don't know for sure how to say:
    d2y/dx2 (second derivative?)
  2. jcsd
  3. Jun 18, 2012 #2
    1. a to the (power of) n OR a to the nth
    2. Absolute value of the difference of r one and r two
    3. Integral from a to b of f of x dx
    4. Second derivative of y with respect to x
    5. Partial derivative of y with respect to x
    6. a over b
  4. Jun 18, 2012 #3
    Thank you very much!
  5. Jun 20, 2012 #4


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    Looks like the OP intended vectors here, so I would say "modulus of r one minus r two".
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