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Calculate areas from a cross section chart??

  1. #1
    Registered User
    Join Date
    02-17-2006
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    Calculate areas from a cross section chart??

    Can you, and if so, how do you calculate an area off of a cross section chart???

  2. #2
    Bernard Liengme
    Guest

    Re: Calculate areas from a cross section chart??

    See http://www.stfx.ca/people/bliengme/E...UnderCurve.htm for
    finding area under curve

    If an approximation is OK here is the old chemist's way (pre-computer):
    Plot graph and print
    Cut out the cross section (A) and cut out a rectangle (B) (its area is =
    y-axis difference * x-axis difference)
    Weigh A and B to 0.001 grams
    Mass A/Mass B = Area A/ Area B so Area A = (Area B)* Mass A / Mass B

    best wishes
    --
    Bernard V Liengme
    www.stfx.ca/people/bliengme
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    "nated7777" <nated7777.23e3qo_1140207008.6516@excelforum-nospam.com> wrote
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    >
    > Can you, and if so, how do you calculate an area off of a cross section
    > chart???
    >
    >
    > --
    > nated7777
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