[Edu-sig] thought re graphing calculators ...

[Gregor Lingl]

kirby urner schrieb:
> On Mon, Sep 28, 2009 at 4:03 PM, kirby urner <kirby.urner at gmail.com> wrote:
>   
>> On Mon, Sep 28, 2009 at 3:12 PM, Gregor Lingl <gregor.lingl at aon.at> wrote:
>>     
>>> ...
>>> That's fine (for the turtle). But if someone thinks that everything is
>>> calculated
>>> "correctly" now, she/he is bound to get disappointed. And that's the point
>>> (imho).
>>>
>>>       
>> Yes, it's a philosophical point.  Doing it manually would be error
>> prone so the "correct" way is more science fiction or fantasy than a
>> reality.
>>
>> The older ways of teaching math set up some false expectations, and
>> then when reality fails to make good, reality gets blamed, instead of
>> the broken metaphysics behind much of "modern" math.
>>
>> Kirby
>>
>>     
>>> Regards,
>>> Gregor
>>>
>>>
>>> # Author: Gregor Lingl
>>> # amended to use Decimal by Kirby Urner 2009-09-28
>>> # re-corrupted to show the vainness (in principle) of kirby's effort
>>>       
> # fixed to show robustness of engineering solutions vs. imaginary
> superpowers of non-existent math gods
>   
>>> 2009-09-28
>>> # Date: 2009-06-24
>>>
>>> # A demonstration of chaos
>>>
>>> from turtle import *
>>> from decimal import Decimal
>>>
>>>       
>
> from turtle import *
> from decimal import Decimal, getcontext
> getcontext().prec = 50
>
> :)
>
> Kirby
>
>   
Strategy of escalation? Arms race?

from turtle import *
from decimal import Decimal, getcontext
getcontext().prec = 50

k = Decimal('3.9')

N = 250

That's what I meant with (in principle)

Gregor