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Calculate areas from a cross section chart??



 
 
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Old February 17th, 2006, 09:04 PM posted to microsoft.public.excel.charting
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Default Calculate areas from a cross section chart??


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


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nated7777
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Old February 18th, 2006, 03:54 PM posted to microsoft.public.excel.charting
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Default 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
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Bernard V Liengme
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"nated7777" wrote
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Can you, and if so, how do you calculate an area off of a cross section
chart???


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http://www.excelforum.com/member.php...o&userid=31684
View this thread: http://www.excelforum.com/showthread...hreadid=513810



 




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