# [Maxima] Simple question about calculation using Maxima

ahmet alper parker aaparker at gmail.com
Wed May 20 13:58:12 CDT 2009

```try:
if numer#false then numer:false else numer:true;
or just go to menu and choose:numeric-->togle numeric output at wxmaxima...
hope it helps...

On Wed, May 20, 2009 at 6:57 AM, Oscar <oscarfh at gmail.com> wrote:
> Hello,
> sorry for writing this very simple question.
> I am new to Maxima and all mathematics computation environments.
> I wanted to do a simple calculation, like this:
>
> (%i39) 3+4;
> (%o39) 7
>
> it works perfectly
>
> but then I want to do something like this:
> (%i40) 3+4+log(10);
> (%o40) log(10)+7
>
> I wanted to get the result as a number, and not an expression. Is it possible?
>
> I have another example:
>
> (%i23) b=2;
> m(p) := 0.5*b^(1-p);
> f(x,vr,p) := -[0.3+log(m(p)+(abs(vr-x))/abs(x))];
> (%o23) b=2
> (%o24) m(p):=0.5*b^(1-p)
> (%o25) f(x,vr,p):=-[0.3+log(m(p)+abs(vr-x)/abs(x))]
>
> (%i29) f(1,1,32);
> (%o29) [-log(0.5/b^31)-0.3]
>
> I wanted to get the result (this is the digse calculation with some
> dummy input data)
>
> How could I force Maxima to give me the result as a number?
>
> thank you,
> Oscar
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>
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