[amsat-bb] Was: Arecibo, now confusing math

Andrew Glasbrenner glasbrenner at mindspring.com
Fri Apr 23 04:50:04 PDT 2010


If you really want to bang your head against the wall at how man can't agree on anything, take a look at the concept of long and short scales: http://en.wikipedia.org/wiki/Long_and_short_scales  Anyone who has worked with big numbers and old data just loves this one.

73, Drew KO4MA

-----Original Message-----
>From: Bruce Robertson <ve9qrp at gmail.com>
>Sent: Apr 23, 2010 7:30 AM
>To: Idle-Tyme <nss at mwt.net>
>Cc: AMSAT-BB <amsat-bb at amsat.org>, Sil - ZL2CIA <zl2cia at amsat.org>
>Subject: [amsat-bb] Re: Arecibo on 432 MHz Moon Bounce (some calculations)
>
>Just to add to this discussion of decimal separators, my Canadian
>province of New Brunswick is bilingual, and therefore has overlapping
>French-speaking and English-speaking school boards. Those in the
>French schools and the 30% of the English who have opted to be taught
>in French immersion express pi as 3,14, while in English education
>they express it as 3.14. I always do a double-take when I see the
>comma there in my kids' homework, but they are very comfortable with
>using either system depending on the language of discussion.
>
>73, Bruce
>VE9QRP
>
>On Thu, Apr 22, 2010 at 4:58 PM, Idle-Tyme <nss at mwt.net> wrote:
>> Wow that's all messed up?
>> I'm 52 and this is the very first time i have ever seen anything like
>> this and i have been dealing with science worldwide all my life.  wow.
>>
>> Joe
>>
>> The Original Rolling Ball Clock
>> Idle Tyme
>> Idle-Tyme.com
>> http://www.idle-tyme.com
>>
>> On 4/22/2010 1:14 PM, Sil - ZL2CIA wrote:
>>> Idle-Tyme wrote:
>>>> On 4/21/2010 8:25 PM, i8cvs wrote:
>>>>>> Comma or no comma, shouldn't matter
>>>>>> 1000 mega watts or 1,000 Mega watts  is still one thousand million
>>>>>> watts!  NOT one thousands watts.  true?
>>>>>>
>>>>>> The Original Rolling Ball Clock
>>>>>> Idle Tyme
>>>>>> Idle-Tyme.com
>>>>>> http://www.idle-tyme.com
>>>>>>
>>>>> Hi Idle-Tyme
>>>>>
>>>>> I don't agree with your statement:
>>>>>
>>>>> 1000 mega watt are one thousand million watt
>>>>> 1,000 mega watt or 1.000 mega watt is only one million watt because
>>>>> zero after the comma  means nothing like 1,0000000000000 is still
>>>>> one million watt or 1 MW
>>>> NO!  it's a comma, not a decimal point! it's one thousand,  one
>>>> thousand written 1000 or 1,000 is still one thousand they are exactly
>>>> the same.
>>> That's only true in the English speaking world, and this is the cause
>>> of the confusion in this debate.
>>>
>>> In the Netherlands (and most of Europe), you would write one thousand
>>> million watts as 1.000 megawatts.
>>>
>>> The decimal indicator in Europe is a comma.
>>> For example,
>>> 1,5 means one and a half
>>> 1.000.000 means one million.
>>>
>>> Sil
>>> (ex PA3HIL)
>>>
>>>
>
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