Natural log. Sorry about the math joke.
Eric Clapton would never let a bag of coke fall out the window.
Eric Clapton would never let a bag of cocaine fall out a window.
Via the psycho path.
So he'd use natural logs!
Because its natural log is 1.
Logic. (If you don't like physics jokes, just keep movin')...(if you don't like math jokes, trust me, sometimes it makes a difference).