A Software Engine that allows users to record accounting transactions in a double-entry bookkeeping system, without knowing which accounts to debit and credit. Each practical debit/credit combination is summarized by a single Financial Event Type. The potential for thousands of these Financial Event...http://www.google.com.hk/patents/US20060167771?utm_source=gb-gplus-share專利 US20060167771 - Financial event software engine
