On 2014-05-02, Dennis Lee Bieber wrote:
On Thu, 01 May 2014 21:55:20 +0100, Adam Funk a24...@ducksburg.com
declaimed the following:
On 2014-05-01, Dennis Lee Bieber wrote:
Math teacher was selling them in my 10th grade... Actually I already
owned a Faber-Castell 57/22 Business ruler
On 5/1/14 9:06 PM, Dennis Lee Bieber wrote:
The N4-ES and the N4-T (mine) are essentially the same rule. The N4-ES
on the site is yellow (mine is white) and the site rule indicates Picket
Eckel Inc. (that's where the E comes from) Also the the ES states
Chicage Ill USA where the T states Made
On 5/1/14 8:47 PM, Dennis Lee Bieber wrote:
On Wed, 30 Apr 2014 22:54:21 -0500, Mark H Harris harrismh...@gmail.com
declaimed the following:
My high school '74 was the last class to learn the slide-rule using
the Sterling (we paid a deposit to use the school's).
Since
On Tue, 06 May 2014 09:51:25 -0500, Mark H Harris wrote:
On 5/1/14 9:06 PM, Dennis Lee Bieber wrote:
The N4-ES and the N4-T (mine) are essentially the same rule. The N4-ES
on the site is yellow (mine is white) and the site rule indicates
Picket Eckel Inc. (that's where the E comes from)
HP 35. $350 in 1973 or 4. Still have it somewhere. Tom yay!
On May 6, 2014 11:20 AM, alister alister.nospam.w...@ntlworld.com wrote:
On Tue, 06 May 2014 09:51:25 -0500, Mark H Harris wrote:
On 5/1/14 9:06 PM, Dennis Lee Bieber wrote:
The N4-ES and the N4-T (mine) are essentially the same
On Tue, 06 May 2014 09:59:22 -0500, Mark H Harris wrote:
[...]
I used my rule well into college; the first calculator I owned was
the Rockwell 63R --- The Big green numbers, and the little rubber
feet!
Guys, heaven knows I'm guilty of the occasional off-topic post myself,
and I'm not
On 5/1/14 10:53 AM, William Ray Wing wrote:
I’m surprised no one has jumped in to defend/tout the Dietzgen slide rules
(which I always thought were the ultimate). Mine (their Vector Log Log) is
one of their Microglide series that had teflon rails inserted in the body
and is still totally
Terry Reedy wrote:
For the most part, there are no bears within a mile of the North Pole
either. they are rare north of 88° (ie, 140 miles from pole).
https://en.wikipedia.org/wiki/Polar_bears
They mostly hunt in or near open water, near the coastlines.
The way things are going, the coastline
2014-05-01 3:57 GMT+02:00 Chris Angelico ros...@gmail.com:
On Thu, May 1, 2014 at 9:46 AM, Ian Kelly ian.g.ke...@gmail.com wrote:
It also works if your starting point is (precisely) the north pole. I
believe that's the canonical answer to the riddle, since there are no
bears in Antarctica.
In article ljsghc$65b$1...@speranza.aioe.org,
Mark H Harris harrismh...@gmail.com wrote:
Absolutely, snort. I still have my KE (Keuffel Esser Co. N.Y.);
made of wood... (when ships were wood, and men were steel, and sheep ran
scared) ... to get to the S L T scales I have to pull the
On 04/30/2014 11:21 AM, Grant Edwards wrote:
On 2014-04-29, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how
On Thu, 01 May 2014 09:34:35 -0700, emile wrote:
On 04/30/2014 11:21 AM, Grant Edwards wrote:
On 2014-04-29, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at
On May 1, 2014, at 12:16 AM, Mark H Harris harrismh...@gmail.com wrote:
On 4/30/14 10:56 PM, Paul Rubin wrote:
There is a nice Javascript simulation of the N4-ES here:
http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html
Thank you!
The N4-ES and the N4-T (mine) are
On 05/01/2014 05:56 AM, Roy Smith wrote:
In article ljsghc$65b$1...@speranza.aioe.org,
Mark H Harris harrismh...@gmail.com wrote:
Absolutely, snort. I still have my KE (Keuffel Esser Co. N.Y.);
made of wood... (when ships were wood, and men were steel, and sheep ran
scared) ... to get
On 2014-05-01, Dennis Lee Bieber wrote:
On Tue, 29 Apr 2014 20:42:33 -0400, Roy Smith r...@panix.com declaimed the
following:
In article mailman.9594.1398818045.18130.python-l...@python.org,
Dennis Lee Bieber wlfr...@ix.netcom.com wrote:
(one reason slide-rules were acceptable for so long
On 2014-05-01, Larry Hudson wrote:
On 05/01/2014 05:56 AM, Roy Smith wrote:
For those who have no idea what we're talking about, take a look at
http://www.ted.com/talks/clifford_stoll_on_everything. If you just want
to see what you do with a slide rule, fast forward to 14:20, but you
Chris Angelico wrote:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north of that, which
is a number of circles not far from the south pole.
True, but there are no bears in Antarctica, so that
rules out all the south-pole
On Wed, Apr 30, 2014 at 6:14 PM, Gregory Ewing
greg.ew...@canterbury.ac.nz wrote:
Chris Angelico wrote:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north of that, which
is a number of circles not far from the south pole.
On Tue, 29 Apr 2014 15:42:25 -0700, emile wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how many locations on Earth can someone
In article mailman.9603.1398833574.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
But I think a better answer is New York City. You start out lost, you
go a mile south, a mile east, a mile north, and you are again lost.
Only in Queens.
--
On 30/04/2014 09:14, Gregory Ewing wrote:
Chris Angelico wrote:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north of that, which
is a number of circles not far from the south pole.
True, but there are no bears in
On 04/29/2014 03:51 PM, Chris Angelico wrote:
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear?
On 04/30/2014 06:14 AM, Ethan Furman wrote:
On 04/29/2014 03:51 PM, Chris Angelico wrote:
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where
On Wed, Apr 30, 2014 at 11:14 PM, Ethan Furman et...@stoneleaf.us wrote:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north of that, which
is a number of circles not far from the south pole.
It is my contention, completely
On 2014-04-29, Roy Smith r...@panix.com wrote:
What reason do you have to think that something recorded to 14
decimal places was only intended to have been recorded to 4?
Because I understand the physical measurement these numbers represent.
Sometimes, Steve, you have to assume that when
On 2014-04-29, Roy Smith r...@panix.com wrote:
In article mailman.9575.1398789020.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
On Tue, Apr 29, 2014 at 11:38 PM, Roy Smith r...@panix.com wrote:
I'm trying to intuit, from the values I've been given, which coordinates
On 2014-04-29, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how many locations on Earth can someone walk one
On Thu, May 1, 2014 at 12:02 AM, Ethan Furman et...@stoneleaf.us wrote:
Wow. It's amazing how writing something down, wrongly (I originally had
north and south reversed), correcting it, letting some time pass (enough to
post the message so one can be properly embarrassed ;), and then rereading
On Wed, Apr 30, 2014 at 9:02 AM, Ethan Furman et...@stoneleaf.us wrote:
On 04/30/2014 06:14 AM, Ethan Furman wrote:
On 04/29/2014 03:51 PM, Chris Angelico wrote:
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent,
On Wed, Apr 30, 2014 at 7:14 AM, Ethan Furman et...@stoneleaf.us wrote:
On 04/29/2014 03:51 PM, Chris Angelico wrote:
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
On 4/30/2014 7:46 PM, Ian Kelly wrote:
It also works if your starting point is (precisely) the north pole. I
believe that's the canonical answer to the riddle, since there are no
bears in Antarctica.
For the most part, there are no bears within a mile of the North Pole
either. they are rare
On Thu, May 1, 2014 at 9:46 AM, Ian Kelly ian.g.ke...@gmail.com wrote:
It also works if your starting point is (precisely) the north pole. I
believe that's the canonical answer to the riddle, since there are no
bears in Antarctica.
Yeah but that's way too obvious! Anyway, it's rather hard to
On 4/30/14 7:02 PM, Dennis Lee Bieber wrote:
Sterling? Snort. KE was the way to go.
Absolutely, snort. I still have my KE (Keuffel Esser Co. N.Y.);
made of wood... (when ships were wood, and men were steel, and sheep ran
scared) ... to get to the S L T scales I have to pull the slide
Mark H Harris harrismh...@gmail.com writes:
I received my Pickett Model N4-T Vector-Type Log Log Dual-Base
Speed Rule as a graduation | birthday gift...
There is a nice Javascript simulation of the N4-ES here:
http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html
Some other models
On 4/30/14 10:56 PM, Paul Rubin wrote:
There is a nice Javascript simulation of the N4-ES here:
http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html
Thank you!
The N4-ES and the N4-T (mine) are essentially the same rule. The N4-ES
on the site is yellow (mine is white) and the
In article 535f0f9f$0$29965$c3e8da3$54964...@news.astraweb.com,
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
On Mon, 28 Apr 2014 12:00:23 -0400, Roy Smith wrote:
[...]
Fundamentally, these numbers have between 0 and 4 decimal digits of
precision,
I'm surprised that you
2014-04-28 18:00 GMT+02:00 Roy Smith r...@panix.com:
I'm using Python 2.7
I have a bunch of floating point values. For example, here's a few (printed
as reprs):
38.0
41.2586
40.752801
49.25
33.7951994
36.8371996
34.1489
45.5
Fundamentally, these numbers
On Tue, Apr 29, 2014 at 11:38 PM, Roy Smith r...@panix.com wrote:
I'm trying to intuit, from the values I've been given, which coordinates
are likely to be accurate to within a few miles. I'm willing to accept
a few false negatives. If the number is float(38), I'm willing to
accept that it
On 4/29/14 12:30 PM, Chris Angelico wrote:
On Tue, Apr 29, 2014 at 11:38 PM, Roy Smith r...@panix.com wrote:
I'm trying to intuit, from the values I've been given, which coordinates
are likely to be accurate to within a few miles. I'm willing to accept
a few false negatives. If the number is
On Wed, Apr 30, 2014 at 2:47 AM, Ned Batchelder n...@nedbatchelder.com wrote:
Reminds me of the story that the first survey of Mt. Everest resulted in a
height of exactly 29,000 feet, but to avoid the appearance of an estimate,
they reported it as 29,002: http://www.jstor.org/stable/2684102
On 2014-04-29, Roy Smith wrote:
Another possibility is that they're latitude/longitude coordinates, some
of which are given to the whole degree, some of which are given to
greater precision, all the way down to the ten-thousandth of a degree.
That makes sense. 1° of longitude is about 111
On 4/29/14 3:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
Who manufactured the tent?
marcus
--
https://mail.python.org/mailman/listinfo/python-list
On Tue, Apr 29, 2014 at 3:16 PM, Adam Funk a24...@ducksburg.com wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
Skin or Fur?
--
https://mail.python.org/mailman/listinfo/python-list
On Wed, Apr 30, 2014 at 6:39 AM, Mark H Harris harrismh...@gmail.com wrote:
On 4/29/14 3:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
Who manufactured the tent?
Ned Batchelder wrote:
Reminds me of the story that the first survey of Mt. Everest resulted in
a height of exactly 29,000 feet, but to avoid the appearance of an
estimate, they reported it as 29,002: http://www.jstor.org/stable/2684102
They could have said it was 29.000 kilofeet.
--
Greg
--
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how many locations on Earth can someone walk one mile south, one
mile east, and one mile north
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how many locations on Earth can
On 29/04/2014 23:42, emile wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear? ;-)
From how many locations on Earth can someone walk one mile south,
In article mailman.9575.1398789020.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
On Tue, Apr 29, 2014 at 11:38 PM, Roy Smith r...@panix.com wrote:
I'm trying to intuit, from the values I've been given, which coordinates
are likely to be accurate to within a few miles.
On Wed, Apr 30, 2014 at 9:53 AM, Roy Smith r...@panix.com wrote:
In article mailman.9575.1398789020.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
On Tue, Apr 29, 2014 at 11:38 PM, Roy Smith r...@panix.com wrote:
I'm trying to intuit, from the values I've been given,
Roy Smith r...@panix.com writes:
In article mailman.9575.1398789020.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
You have one chance in ten, repeatably, of losing a digit. That is,
roughly 10% of your four-decimal figures will appear to be
three-decimal, and 1%
On Wed, Apr 30, 2014 at 10:13 AM, Ben Finney b...@benfinney.id.au wrote:
The problem is you won't know *which* 90% is accurate, and which 10% is
inaccurate. This is very different from the glass, where it's evident
which part is good.
So, I can't see that you have any choice but to say that
Ben Finney b...@benfinney.id.au writes:
The problem is you won't know *which* 90% is accurate, and which 10% is
inaccurate. This is very different from the glass, where it's evident
which part is good.
Hmm. Re-reading the suggestion, I see that it is fairly predictable
which estimates of
In article mailman.9594.1398818045.18130.python-l...@python.org,
Dennis Lee Bieber wlfr...@ix.netcom.com wrote:
in a physics or chemistry class the recommended result is
1.1 * 2.2 = 2.4
More than recommended. In my physics class, if you put down more
significant digits than the input
On Wed, Apr 30, 2014 at 10:37 AM, Dennis Lee Bieber
wlfr...@ix.netcom.com wrote:
On Wed, 30 Apr 2014 08:51:32 +1000, Chris Angelico ros...@gmail.com
declaimed the following:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north
In article 8td53bxud5@news.ducksburg.com,
Adam Funk a24...@ducksburg.com wrote:
On 2014-04-29, Roy Smith wrote:
Another possibility is that they're latitude/longitude coordinates, some
of which are given to the whole degree, some of which are given to
greater precision, all the
In article mailman.9596.1398818760.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
On Wed, Apr 30, 2014 at 10:37 AM, Dennis Lee Bieber
wlfr...@ix.netcom.com wrote:
On Wed, 30 Apr 2014 08:51:32 +1000, Chris Angelico ros...@gmail.com
declaimed the following:
Any
On Tue, 29 Apr 2014 09:38:33 -0400, Roy Smith wrote:
What reason do you have to think that something recorded to 14 decimal
places was only intended to have been recorded to 4?
Because I understand the physical measurement these numbers represent.
Sometimes, Steve, you have to assume that
On 04/29/2014 03:51 PM, Chris Angelico wrote:
On Wed, Apr 30, 2014 at 8:42 AM, emile em...@fenx.com wrote:
On 04/29/2014 01:16 PM, Adam Funk wrote:
A man pitches his tent, walks 1 km south, walks 1 km east, kills a
bear, walks 1 km north, where he's back at his tent. What color is
the bear?
On Tue, 29 Apr 2014 19:31:31 -0700, Ethan Furman wrote:
Perhaps my geography is rusty, but I was under the impression that one
cannot travel south if one is at the South Pole (axial, not magnetic).
Possibly with a rocket aimed straight up.
--
Steven D'Aprano
In article 5360672e$0$29965$c3e8da3$54964...@news.astraweb.com,
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
On Tue, 29 Apr 2014 19:31:31 -0700, Ethan Furman wrote:
Perhaps my geography is rusty, but I was under the impression that one
cannot travel south if one is at the
On Wed, Apr 30, 2014 at 12:31 PM, Ethan Furman et...@stoneleaf.us wrote:
On 04/29/2014 03:51 PM, Chris Angelico wrote:
Any point where the mile east takes you an exact number of times
around the globe. So, anywhere exactly one mile north of that, which
is a number of circles not far from the
On Wed, Apr 30, 2014 at 1:30 PM, Roy Smith r...@panix.com wrote:
In article 5360672e$0$29965$c3e8da3$54964...@news.astraweb.com,
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
On Tue, 29 Apr 2014 19:31:31 -0700, Ethan Furman wrote:
Perhaps my geography is rusty, but I was
I'm using Python 2.7
I have a bunch of floating point values. For example, here's a few (printed as
reprs):
38.0
41.2586
40.752801
49.25
33.7951994
36.8371996
34.1489
45.5
Fundamentally, these numbers have between 0 and 4 decimal digits of precision,
and I want to be
On 4/28/14 12:00 PM, Roy Smith wrote:
Fundamentally, these numbers have between 0 and 4 decimal digits of precision,
and I want to be able to intuit how many each has, ignoring the obvious
floating point roundoff problems. Thus, I want to map:
38.0 == 0
41.2586 == 4
40.752801 == 4
On Tue, Apr 29, 2014 at 2:00 AM, Roy Smith r...@panix.com wrote:
I have a bunch of floating point values. For example, here's a few (printed
as reprs):
38.0
41.2586
40.752801
49.25
33.7951994
36.8371996
34.1489
45.5
Fundamentally, these numbers have between 0
On Monday, April 28, 2014 12:28:59 PM UTC-4, Chris Angelico wrote:
Terminology question: Why do you count only what's after the decimal
point? I would describe these as having between 2 and 6 significant
figures. Will they always have two digits before the decimal, or does
your precision
On Monday, April 28, 2014 12:07:14 PM UTC-4, Ned Batchelder wrote:
On 4/28/14 12:00 PM, Roy Smith wrote:
38.0 == 0
[...]
Is there any clean way to do that? The best I've come up with so far is to
str() them and parse the
remaining string to see how many digits it put after the decimal
On 4/28/14 2:39 PM, Roy Smith wrote:
On Monday, April 28, 2014 12:07:14 PM UTC-4, Ned Batchelder wrote:
On 4/28/14 12:00 PM, Roy Smith wrote:
38.0 == 0
[...]
Is there any clean way to do that? The best I've come up with so far is to
str() them and parse the
remaining string to see how many
On Mon, 28 Apr 2014 12:00:23 -0400, Roy Smith wrote:
[...]
Fundamentally, these numbers have between 0 and 4 decimal digits of
precision,
I'm surprised that you have a source of data with variable precision,
especially one that varies by a factor of TEN THOUSAND. The difference
between 0
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info writes:
By the way, you contradict yourself here. Earlier, you described 38.0 as
having zero decimal places (which is wrong). Here you describe it as
having one, which is correct, and then in a later post you describe it as
having zero
On Tue, 29 Apr 2014 13:23:07 +1000, Ben Finney wrote:
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info writes:
By the way, you contradict yourself here. Earlier, you described 38.0
as having zero decimal places (which is wrong). Here you describe it as
having one, which is correct, and
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