Just as a followup...deleting everything else out of the preamble results in an error
\Vec already defined ...athAccetn{\Vec}{\mathord}{letters}{'202} which doesn't mean anything to me. A minimal document, with the equation I'm after, does compile from the command line. ... Actually, I think I found it...the amsmath package needs to come after notebook2e.sty Is that possible? Rod _________________________________________________________________ rod | "Beneath the waves, the waves / That's where I will be / | I'm going to see the cow beneath the sea." | They Might Be Giants, Lincoln