how to get 10 from 100^(1/3) ?



sorry
I thought I wrote 1000






--- Dom 25/11/12, Raoul <raoulb at bluewin.ch> ha scritto:

> Da: Raoul <raoulb at bluewin.ch>
> Oggetto: Re: [Maxima] how to get 10 from 100^(1/3) ?
> A: maxima at math.utexas.edu
> Data: Domenica 25 novembre 2012, 15:03
> > (%i1) 100^(1/3);
> >? ? ? ? ? ? ? ?
> ? ? ? ? ? ? ? ?
> ? ? ? ? 1/3
> > (%o1)? ? ? ? ? ? ?
> ? ? ? ? ? ? ?
> ???100
> > (%i2) float(%);
> > (%o2)? ? ? ? ? ? ?
> ? ? ? ? ? ? 4.641588833612779
> > (%i3) 
> > 
> > why?
> 
> Because:
> 
>  10 * 10 * 10 = 1000 =/= 100
> 
> and 
> 
>  4.641588833612779 * 4.641588833612779 * 4.641588833612779 =
> 100.000...
> _______________________________________________
> Maxima mailing list
> Maxima at math.utexas.edu
> http://www.math.utexas.edu/mailman/listinfo/maxima
>