Radians and degrese



On Fri, Sep 23, 2011 at 03:52:06PM -0700, Raymond Toy wrote:
>      I believe maxima's default mode is radians. Is it possible to change the
>      default mode between degrese and radians?
> 
>    Not that I know of.? But you can always do
> 
>    sind(x) := sin(x*%pi/180);
>    sind(90) -> 1
> 
>    asind(x) := asin(x)*180/%pi;
>    asind(1/2) -> 30
>    ?
> 
>      Also, is it possible to convert between the two?
> 
>    Of course you can define your own functions to do that:
> 
>    r2d(x) := x*180/%pi;
>    d2r(x) := x*%pi/180;

No, I think that should be sufficient! 

Thanks very much
Dan