Exact Rational Numbers



Thanks,

What does "Maxima can handle some pretty large numbers in the thousands of
digits without approximation" mean?  What are the limitations?  I understand
the issues with using floating point numbers.



On Tue, Jun 22, 2010 at 7:46 PM, Jeffrey Hankins <jhankin1 at gmail.com> wrote:

> It's hard to tell what you would like explained. Maxima can handle some
> pretty large numbers in the thousands of digits without approximation (even
> though some of the digits may be hidden if the display2d option is set to
> true). On the other hand, converting float or bigfloat numbers to rationals
> (with rationalize()) can sometimes lead to unexpected results because they
> do not have terminating binary representations. In such cases, the closeness
> of the resulting rational number depends on the accuracy set by the fpprec
> option. I probably am not the best person to ask because I am neither a
> developer nor a long-time user, but I have learned a few things.
>
> On Tue, Jun 22, 2010 at 19:33, Chris Nassar <chris.nassar at gmail.com>wrote:
>
>> Is there a document  explaining Maxima's exact rational numbers?  I'd be
>> interested in the limitations and implementation.
>>
>> Thanks,
>> Chris
>>
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>>
>