use winISD pro alpa version, is very good and very accurate software and yes its free. it doest have all the bells and witles that BB6 has but the graphs are more acurate. i have been using it for a while now and havent had an unhappy customer yet.
use winISD pro alpa version, is very good and very accurate software and yes its free. it doest have all the bells and witles that BB6 has but the graphs are more acurate. i have been using it for a while now and havent had an unhappy customer yet. go to http://www.linearteam.dk/default.aspx?pageid=winisdpro
they also have a forum that will help you allot with any questions you have about the software use.