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Author Topic: Grade calculator  (Read 6715 times)
jowalmer

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« Reply #15 on: February 23, 2009, 02:12:49 AM »


[/quote]
it really doesn't amount to a hill of beans (like most of this discussion).
[/quote]

...then I'll take that hill of beans.  I got what I needed and then some.  Thanks guys.
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Yampa Bob

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« Reply #16 on: February 24, 2009, 01:55:19 AM »

Hi Jo
Since I majored in math, I was a bit hesitant to reply to this thread. However, I might add a comment, that I hope you and others don't take as condescending.

As long as the run and rise are in matching units of measure (inches, feet, yards, etc), then as already mentioned dividing the rise by the run will give you a decimal, not the actual percent.

Say you have 1" rise over 36" run, that would be 1/36= .0278.  To translate that to percent, simply move the decimal point 2 places to the right, or 2.78%.

Think of a penny as being 1/100th of a dollar, or .01, move the decimal to yield 1%. Moving the decimal two places to the right is the equivalent to multiplying by 100.

Hope this helps.
« Last Edit: February 24, 2009, 02:04:00 AM by Yampa Bob » Logged

I know what I wrote, I don't need a quote
Rule Number One: It's Our Railroad.  Rule Number Two: Refer to Rule Number One.
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