I am not experienced in Apex Code, but I need a Radar Chart as a dashboard component.  Is there anything on the appexchange, or sample code to get started?

This seems to be a simple issue, but I am to just downloaded APEX data loader but am unable to use it.  It asks me to log on using my SFDC logon credentials, but then says its not valid.  I have verified the log on info I am using is correct.  What am I missing? 

I am not experienced in Apex Code, but I need a Radar Chart as a dashboard component.  Is there anything on the appexchange, or sample code to get started?

I am trying to duplicate the new event button code to deploy to our appointment setters so as to rename the event button. Does anyone know the code for create new event in activities?