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May 13, 2014 at 4:38 comment added michaelk I'm sorry to say that but despite being the accepted answer these calculations are still wrong. please check my answer for the correct calculatations and results
Apr 25, 2013 at 18:50 comment added Ryan Haber Also, your calculator or phone should be able to pull off those equations, even if you don't happen to have a bunch of log tables memorized.
Aug 15, 2012 at 16:11 comment added Vincent Robert If you only use "round" ISO values (100, 200, 400, 800, 1600), it will be easier and still give you a rough idea of EC (+0, +1, +2, +3, +4).
Aug 15, 2012 at 15:49 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 13:57 comment added vivek_jonam @Mike Also you can make use of the link for log calculations easily. 1728.org/logrithm.htm
Aug 15, 2012 at 9:17 comment added Matt Grum @Mike Yup - log2 is just the opposite of taking two to the power of some other number, everything else is just multiplication and division (n^2 is just n x n)
Aug 15, 2012 at 8:53 vote accept John Thomas
Aug 15, 2012 at 8:53 comment added John Thomas Nope, I'm not Good Will Hunting. :-) However I think I understand. :-)
Aug 15, 2012 at 8:40 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 8:33 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 8:24 comment added vivek_jonam These are simple logarithm and squares. I will apply the given gives and add it.
Aug 15, 2012 at 8:22 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 8:19 comment added Mike Honest question: Does anyone actually understand any of that? Looks like an equation only Good Will Hunting would understand ;-)
Aug 15, 2012 at 8:15 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 8:05 history edited vivek_jonam CC BY-SA 3.0
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Aug 15, 2012 at 7:59 history answered vivek_jonam CC BY-SA 3.0