I have given this quite a bit of thought in the past. In the end, I decided one column of decimals, positive and negative does a good job. It has always worked well for me and I have never had any reason to doubt it was the right thing to do.
There are no doubt other opinions, and other circumstances, YMMV :) -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.