Re: Ti-86 Bug?


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Re: Ti-86 Bug?



>How could a calculator be powerfull enough to not make an error? You
>can always take more digits, but sooner or later you're gonna have to
>round the number before the calc runs out of memory. And remember, the
>calc remembers more digits than it displays, so that, most of the
>time, there won't be much of an error.

The TI-92(+)/89 doea symbolic math, in other words it keeps fractions in x/y
form instead of rounding to a decimal value.  No rounding, no rounding error.

>A question: Does how big this "round-off error" is depend on the
>Tolerance setting? So that, if you need more precision, you can just
>reduce the tolerance? Anyway, I think that 13 digits is plenty of
>precision for me, I'm not trying to send men to the moon with my calc.
>I'd experiment but I hear you can crash your calc by messing around
>with that, I don't want to have to resend all of my progs.

I'm not sure, but that sounds about right.  I don't think you can crash the
calc by changing the Tol setting anyway.