On Mon, Jun 2, 2008 at 9:31 AM, wrote:
> Dear Professor Stein,
>
> Thank you for your reply,
>
> The calculator I'm currently working on is written in Javascript which as
> you know uses floating point math.
>
> What data types does Sage use for all it's calculations?

Every arithmetic data type you can possibly imagine and then
some are supported.

> If you're using floating point math, like javascript, what is the best way
> to reduce floating point precision related errors.
>
> For example...  in Javascript   3.6/0.6=6.000000000000001
>
> Should I put into place some guard digits?

This would best be discussed on sage-support:

 http://groups.google.com/group/sage-support/

> Do you know of any commercial sites that use Sage in their products?
>

No, I don't.

 -- William

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