Janos Blazi wrote:
> I am investigating Maxima. Maybe I can use it for my teaching (at a
> German high school). Two questions:
>
> 1)
> How do I set the floating point precision? I should like to calculate
> 2000 digits sqrt(x) for example. (In Maple I should say Digits := 2000.)
fpprec:2000;
bfloat(sqrt(2));
>
> 2)
> I should like to do something like this:
>
> f(x) := sin(x);
> f1(x) := diff(f(x),x);
f(x):=sin(x);
diff(f(x),x);
f1(x):=''%;
that is two ' characters, not ".
RJF
>
> but f1(x) is not a well defined function of course. (In Maple I should
> use "unapply" for this.)
>
> TIA
>