From: Laurence Michaels (firstname.lastname@example.org)
Date: Thu Nov 04 1999 - 09:12:03 PST
Mike Ventham wrote:
> I still think you are having calculation problems.
> Your answer was correct but
> 1 sq inch = 1000 mils * 1000 mils = 1000000 sq mil. NOT 10000 sq mil
1 inch = 100 mils 1 sq inch = 10000 sq mils
1 meter = 1000 millimeter 1 sq meter = 1000000 sq millimeter.
Contrary to SI prefixes, 1 mil isn't 1/1000 inch.
It's 1/100 of an inch. That's one of the places I made a mistake.
Using my trusty $X000 computer as a simple calculator:
you have: inch
you want: mil
you have: m
you want: mm
you have: inch2
you want: mil2
you have: 25 mil2
you want: mm2
you have: 0.0025 in2
you want: mm2
Strange, but true.
Anyone else care to share their mistakes with the rest of the world?
> Laurence Michaels wrote:
> ( deleted)
> > Argh... I was asleep when I did that calculation. Time to check
> > everything else I did yesterday :-)
> > 0.2*0.5=0.1 square inch.
> > 0.1/40=0.0025 square inches per connection
> > (calculation error was probably here... 0.0025 square inches does
> > NOT equal 2.5 square mils... that's what I get for using non-metric
> > units, and only turning on half of my conversion algorithms.
> > 1 sq in = 10000 sq mil 1 sq meter = 1000000 sq mm)
> > 0.0025 square inches gives 1.6 sq mm per connection
> > 25 square mils gives 1.6 sq mm per connection
> > I'm not usually that stupid. (I hope)
> > Thanks,
> > --
> > Laurence Michaels
> | Mike Ventham - Vice-President Engineering, |
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-- Laurence Michaels Fiat GDC
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