Re: A89: user functions


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Re: A89: user functions




With the SDK you can create functions and essentially
write Flash Apps that extend the TI-BASIC language. It
is extremely cool...

--- Michael Cowart <freakonaleash881@hotmail.com>
wrote:
> 
> Hello!
> 
> Do any of you alpha testing the SDK know if there is
> going to be support for 
> user functions (to return a value to TI-BASIC). Say
> I wanted to write a 
> function for multivariable implicit
> differentiation...a simple example:
> 
> v = r+s, find dv/dt,dr/dt,and ds/dt
> 
> answer: dv/dt = dr/dt+ds/dt (I think that's
> right,been too long since Cal I 
> =P)
> 
> I know that is a rather simple example, but to do
> this process in TI-BASIC 
> is pretty ugly (the code, the result comes out like
> d(r(t),t),etc).
> 
> There would be a lot that could be done if that
> support was included (say, 
> an Isolate function, like Maple) that is impossible
> in TI-BASIC. I know that 
> TI-GCC comes with that support, but it is limited by
> the TIOS (i've had it 
> crash with the example given documentation =(, but
> Zeljko is still the 
> TI-GCC God =) ). Can anyone say anything about this,
> or does your NDA 
> prohibit it?
> 
> Thanks,
> Michael Cowart
>
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