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Math Help - summation capabilities

  1. #1
    No one in Particular VonNemo19's Avatar
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    summation capabilities

    How do I use the sum function on my TI-83? Does any body know?
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by VonNemo19 View Post
    How do I use the sum function on my TI-83? Does any body know?
    Let's say you want to find \sum_{i=1}^{10}\frac{1}{i}

    In your calculator, you can type the following on the 83:

    sum(seq(1/x,x,1,10))
    Last edited by Chris L T521; July 11th 2009 at 04:21 PM. Reason: typo
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  3. #3
    No one in Particular VonNemo19's Avatar
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    Thanx Chris. But let's say I wanted \sum_{i=1}^{10}i. Could you give me the necessary syntax for this one?
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  4. #4
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    Quote Originally Posted by VonNemo19 View Post
    Thanx Chris. But let's say I wanted \sum_{i=1}^{10}i. Could you give me the necessary syntax for this one?
    sum(seq(x,x,1,10))
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