Re: [Phys-l] accurate numerical solution of equations of motion

["Rick Tarara" <rtarara@saintmarys.edu>]

No OS-X version--probably never will be, but the Windows versions run fine 
under the Mac software that allows you to run Windows applications (X-Over 
is one?)  If your Mac can run system 9.x software, then the Mac versions of 
TrueBasic run there in a 'native' mode.  [Here is a prime example of Apple 
breaking older applications.  I will be pulling my Mac applications at the 
end of the year and concentrating on updating the whole library of Windows 
applications, knowing they CAN be run on Macs.]  Turns out that the 
Installer (for the language system software) from TrueBasic doesn't work on 
64 bit machines, but luckily, there are no real installation issues--no 
registry changes--so one can copy the TrueBasic software (whole development 
system & libraries) from a 32 bit machine to a 64.  Several of us are 
working on TB to provide the software as simple zip files in which case 
there wouldn't be a problem--suspect that suggestion will be taken soon.

Rick

----- Original Message ----- 
From: "ludwik kowalski" <kowalskil@mail.montclair.edu>
To: "Forum for Physics Educators" <phys-l@carnot.physics.buffalo.edu>
Sent: Wednesday, November 04, 2009 8:06 AM
Subject: Re: [Phys-l] accurate numerical solution of equations of motion


> On Nov 4, 2009, at 7:40 AM, Rick Tarara wrote:
>
> > In terms of numerical accuracy, TrueBASIC (a compiled version of basic
> > straight from the originators--Kemeny & Kurtz) has the following
> > system
> > limits:
> >
> > Accuracy of numbers   16 bits
> > Accuracy of Sin, Cos, Tan, Atan, Log, Exp   16 bits
> > Smallest positive number Eps(0)    2.2250739e-308
> > Largest positive numbe (Maxnum)  1.7976931e+308
> > Maximum string length    448Mb
> > Maximum dimensions for an array    255
> >
> > Suspect this should be sufficient for most applications.
> >
> > For more info see www.TrueBasic.com
> >
> > Rick (all my software is done with this language--actually is very
> > powerful,
> > very good for calculations and you can do high quality animations)
>
> I also liked TrueBASIC very much. Unfortunately, there is no MAC OS X
> version of it. Are they still "working on it" or they gave up?
>
> Ludwik Kowalski, a retired physics teacher
> 5 Horizon Road, Apt. 2702, Fort Lee, NJ, 07024, USA
> Also an amateur journalist.
>
>                                             Food for thought:
> "Absence of proof is not proof of absence."
>
> Updated links  to his selected publications are at:
> http://csam.montclair.edu/~kowalski/cf/  , 
> http://csam.montclair.edu/~kowalski/my_opeds.html
>   and  http://csam.montclair.edu/~kowalski/revcom.html
>
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