Re: precision on all calcs


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Re: precision on all calcs



WHAT ARE YOU TRYING TO SAY???!  I FEAR NOT EVEN YOU KNOW.

PLEASE *STOP* THIS OVERBLOWN PRECISION DISCUSSION.  THERE IS SO MUCH
IGNORANCE PERMEATING THESE REDICULOUS RAMBLINGS IT'S JUST THAT - REDICULOUS.



On Sat, 28 Jun 1997, Tomas C wrote:

> I agree, but if we had an unaccurate calculation of sine, then, THEN
> we might be somewhere.
>
>
> >It wouldn't work anyway.  It makes no sense conceptually.  The sine
> of 1 =
> >degree gives the y coordinate of a point which represents the =
> >intersection of a unit cirlce and the origin.  Multiplying this by
> 180, =
> >no matter how accurate the calculation of sine, will never yield pi.
> >
> >-----Original Message-----
> >From:   Scott Trimmer [SMTP:strimmer@RIFT.FOO.NET]
> >Sent:   Friday, June 27, 1997 10:54 PM
> >To:     CALC-TI@LISTS.PPP.TI.COM
> >Subject:        Re: precision on all calcs
> >
> >The reason the answer differs is because of the way the TI-92 does
> sin.
> >It doesn't do sin exactly.  If it did, we could have pi exactly, and
>
> we
> >don't have it quite yet.  If you are interested in pi to 1 million =
> >places,
> >search the internet for Project Gutenberg.  Also, how did you know
> where
> >it differs?  Is there some way you can determine that on the 92?
> >        -Scott
> >=3D;)
> >
> >
> >On Sat, 21 Jun 1997, Jeff Tyrrill wrote:
> >
> >> I just realized something. Even in degree mode, 180*sin(1) does
> not =
> >exactly
> >> equal pi. It differs in the ten-thousandth place, and if it were
> pi, =
> >the TI-92
> >> would give that as an answer, but it doesn't. Oh well. I'll bet =
> >changing to
> >> degree mode solves his problem anyway.
> >> ________________
> >>
> >> Jeff Tyrrill's TI Calculator Site: Contains programming tips, =
> >undocumented
> >> discoveries and tips for power users, and comparisons of the
> different
> >> calculator models.
> >> http://tyrrill-ticalc.home.ml.org/
> >>
> >> TI-Files member: The premiere TI site on the web, with reviews of
> =
> >games and
> >> more.
> >> http://ti-files.home.ml.org/
> >>
> >>
> >> -----Original Message-----
> >> From:   Jeff Tyrrill [SMTP:jeff_tyrrill@geocities.com]
> >> Sent:   Saturday, June 21, 1997 4:51 PM
> >> To:     CALC-TI@LISTS.PPP.TI.COM
> >> Subject:        RE: precision on all calcs
> >>
> >> Change your calculator from the default radian mode to degree
> mode.
> >> ________________
> >>
> >> Jeff Tyrrill's TI Calculator Site: Contains programming tips, =
> >undocumented
> >> discoveries and tips for power users, and comparisons of the
> different
> >> calculator models.
> >> http://tyrrill-ticalc.home.ml.org/
> >>
> >> TI-Files member: The premiere TI site on the web, with reviews of
> =
> >games and
> >> more.
> >> http://ti-files.home.ml.org/
> >>
> >>
> >> -----Original Message-----
> >> From:   Open discussion of TI Graphing Calculators  On Behalf Of =
> >Boogeyman
> >> Sent:   Saturday, June 21, 1997 1:12 PM
> >> To:     CALC-TI@LISTS.PPP.TI.COM
> >> Subject:        precision on all calcs
> >>
> >> When I make 180*sin1 on any of my calcs (80,82,92) I got something
>
> =
> >weird,
> >> but never pi. Does anybody know if it's the case with other calcs
> (I =
> >only
> >> go Ti's) ? (It also works with win calc, so I suppose somethin's
> wrong =
> >in
> >> all the OS.)
> >>
> >> TIA
> >>
> >> Boogeyman
> >>
>
>
>
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