JBM is to Ballistic Explorer what the Windows calculator is to Excel. The calculator is free, convenient and accurate, but so limited compared to Excel. You can spend hours fiddling in JBM's or any clunky web app and totally miss those moments of clarity that only come when you can see multi-dimensional data dynamically. Those aha moments are worth so much more than the few bucks Dr. Oehler asks for his software.
