Ric, If no one else can chime in with an answer, I'll look it up for you in one of my college math books. I don't recall at the moment because I never used logarithms outside of school. Didn't understand them much at that time either, but I should be able to comprehend them now if I were to look it up. Best regards, John Formsma Blue Mountain, MS -----Original Message----- From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf Of Richard Moody Sent: Friday, January 28, 2000 1:03 AM To: piano tech Subject: Math help needed In the explanation of a formula to predict inharmonicity, one form was arrived at by "using the appropriate expansion for the logarithm". What does expanding a log mean? To make a long story short, cents was gotten without using logs. ---ric
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