At 10:50 PM 4/22/2011 -0000, you wrote:
but we need to realize what we are doing. Some of the recent messages here
are telling me that some people might not.
As a college math professor once admonished me, if I have a calculator at
my disposal there's no reason to round off any intermediate result.
I use the calipers to measure, and a calculator to convert. I don't trust
any of my brain math skills anymore. I was good at it until I discovered