Re-corrected sample at:
http://flypicture.com/p.cfm?id=41496
(right-click on link "Download File" at the top)
File: dannix54_wksht11.xls

(Formulas in "Results" need not be array-entered,
just normal ENTER will do)
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Rgds
Max
xl 97
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GMT+8, 1° 22' N 103° 45' E
xdemechanik <atyahoo<dotcom
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