<div dir="ltr">Maybe that would be easier if we had metric minutes and seconds...<div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 24, 2020 at 5:58 PM Cecil Bearden <<a href="mailto:crbearden@copper.net">crbearden@copper.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>It is bad enough converting degrees minutes and seconds into
decimal degrees!!<br>
Cecil<br>
</p>
<div>On 2/24/2020 4:23 PM, Stephen Offiler
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">I haven't see Mark's message yet, but I just saw
Cecil's reply. Yes, I am aware of that (not the cornbread!).
In fact, most scientific calculators have a "D-R-G" button that
puts the calc into either degree mode, radian mode, or grad
mode. A grad is 1/400 of a circle. I must admit I wasn't
recognizing this as quite metric. But Mark is right - it would
be a metric right triangle with 100 divisions. I have never
encountered the actual use of grads anywhere outside an obscure
trigonometry class once upon a time. So I still submit that in
practice neither the circle nor time are metric.
<div><br>
</div>
<div>SO</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Feb 24, 2020 at 4:43
PM Cecil Bearden <<a href="mailto:crbearden@copper.net" target="_blank">crbearden@copper.net</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Does this mean that we use cornbread for a factor instead
of PI? <br>
Cecil<br>
</p>
<div>On 2/24/2020 2:09 PM, Mark Johnson wrote:<br>
</div>
<blockquote type="cite">
<div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<div>There is an 'alternative' degree system where a
full circle is 400 degrees and a right angle is thus
100 degrees instead of 90. I haven't played with the
math implications, but it seems logical that all
triangles in such a system would have angles adding up
to 200 degrees.</div>
<div><br>
</div>
<div>The trig tables would look a bit strange at first
but I think all the identities will work regardless of
the metric.</div>
<div><br>
</div>
<div>Mark J</div>
<div><br>
</div>
<hr id="gmail-m_2537456635559807905gmail-m_5727819499200680372zwchr">
<div><b>From: </b>"Stephen Offiler" <a href="mailto:soffiler@gmail.com" target="_blank"><soffiler@gmail.com></a><br>
<b>To: </b>"Antique Tractor Email Discussion Group" <a href="mailto:at@lists.antique-tractor.com" target="_blank"><at@lists.antique-tractor.com></a><br>
<b>Sent: </b>Monday, February 24, 2020 8:32:41 AM<br>
<b>Subject: </b>Re: [AT] Supposedly why our old
tractors are not metric and a fairly simple tutorial<br>
</div>
<br>
<div>
<div dir="ltr">Metric time? Say 10 metric hours per
day, 100 metric minutes per hour... why don't we do
that?<br>
<div>Metric circles? Why not divide into 100, or
1000 parts rather than 360?</div>
<br>
<div>SO</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Feb 24,
2020 at 9:09 AM Indiana Robinson <<a href="mailto:robinson46176@gmail.com" target="_blank">robinson46176@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">I'm not sure how accurate this
story is but it matches what I had read for
years.
<div><a href="https://www.thevintagenews.com/2018/04/12/metric-system-usa/" target="_blank">https://www.thevintagenews.com/2018/04/12/metric-system-usa/</a></div>
<br>
<div>If they had listened to Jefferson we would
not be messing with a double system, metrics
would just be what we use... The 10 based
system can be done in your head (could have
saved all those years learning those damned
fractions) :-) and every tool box wouldn't
have a fraction to decimal conversion chart
tucked in somewhere that you can't ever find
when you need it. Also we would not have to
worry about some dead kings thumb size getting
lost or a bad few years for the barley crop or
a lot of other stuff they tried to set as
standards long ago.</div>
<br>
<div>This site looks fairly well done and I
liked the little section on the metric size of
a few common objects.</div>
<div><a href="https://www.wikihow.com/Measure-Centimeters?fbclid=IwAR1z77b9GTGRpTD7TM1cH51LA1CKzsTyPJ-n87HsRDmbJv7b5ME7QyCVpbs" target="_blank">https://www.wikihow.com/Measure-Centimeters?fbclid=IwAR1z77b9GTGRpTD7TM1cH51LA1CKzsTyPJ-n87HsRDmbJv7b5ME7QyCVpbs</a></div>
<br>
<div>If you have forgotten how to use your
Abacus there is a section on that too. :-)</div>
<br>
<br>
<div>.<br clear="all">
<br>
-- <br>
<div dir="ltr">
<div dir="ltr">
<div>-- <br>
<br>
Francis Robinson<br>
aka "farmer"<br>
Central Indiana USA<br>
<a href="mailto:robinson46176@gmail.com" target="_blank">robinson46176@gmail.com</a><br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
</div>
</div>
</div>
</div>
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