1.2 ! paf 1: $1(^math:radians(180)) ! 2: $2($math:PI) ! 3: ^if(^1.format[%.10f]==^2.format[%.10f]){y;n} ! 4: ^if($1==$2){y;n} ! 5: ^if(^math:radians(180)==$math:PI){y;n}