Re: TIB: Clearing part of the graph screen
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Re: TIB: Clearing part of the graph screen
Actually, it was just a mistake in the manual. The TI-85 doesn't have
this feature and it was meant to be that way in the TI-86 as well.
--
Bryan Rabeler <brabeler@ticalc.org>
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On Sat, 26 Sep 1998, Cassady Roop wrote:
>
> Adding the '0' to the end is what the manual says to do, but it is
> wrong. Use 'cldrw'. For some reason TI eliminated the feature of
> adding a zero to the line command to erase it, but they left it in the
> manual.
>
> The Kellers wrote:
> >
> > I just bought a TI-86, so this is probably a dumb question. I was wondering
> > how to erase a line drawn on the graph from inside a program. I tried
> > "Line(x1,y1,x2,y2,0)" like it said in the manual. But that just gave me an
> > error.
> >
> > Also, is there any faster way to clear part of the screen than Text( with a
> > lot of spaces or PixelOff?
> >
> > And one more question, is there any way to detect if a variable exists from
> > inside a program?
> >
> > Any help apreciated,
> > Philipp
>
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