SCORES

I have some questions about scores? On Jan. 6 at 5.40 am my score was 329.3122 then at 6.35am on Jan. 7 my score had gone down to 325.6620. Why over the course of one day did my score drop?
Is there a set structure for scoring somehere for general members or is this one of dr.'s need to know only items.

Everyday you don't enter a bill your score drops. As soon as you enter a bill, it goes back up. So, everyone you see on the scoreboard is active, as members that become inactive eventually drop off the list.

Now that makes sense, Good Idea to keep the list active.