Jacques Chester, who does the tech work for this blog and therefore has special announcement rights, needs some help with one of his uni subjects. All you need to do is some simple calculator maths and fill in a short online survey. Details here.
Help Jacques get a distinction
Andrew Norton 
Andrew, tell Jacques his formula is busted. (I got procedure A.) The interest rate should be expressed as a decimal, not a percent. (Or is that the point of the survey – to figure out if people can tell that they have come up with a mathematically ridiculous answer?)
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Cathy, I think you must have gotten Procedure B, where you calculate the rate using the formula.
I’ve modified it slightly based on similar feedback.
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I see. The header on page 2 (where the formula is) says PD-00001:Procedure A. Now that I have a second look, I can see that page 1 clearly says “Procedure B.” Should I take the survey again (I didn’t complete it the first time) or will that mess up your results?
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Best you don’t repeat it.
But it does demonstrate that my QC is pathetic.
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