On May 11, 2010, at 1:25 PM, John Dennis wrote: > On 05/11/2010 04:17 PM, dorra aa wrote: >> this is not my idea.it's the idea of my professor. i have no idea about >> the radius and he wants me to work in it just in 2 weeks. > > You want us to do your course assignments for you? Kids these days, tsk tsk.