working capital=net cash flow+End inventory-Begn inventory?

as title

Working capital = Current Assets - Current Liabilities http://www.investopedia.com/terms/w/workingcapital.asp

i know this equation, but i got the impression from p311 of book3 cpk123 Wrote: ------------------------------------------------------- > Working capital = Current Assets - Current > Liabilities > > http://www.investopedia.com/terms/w/workingcapital > .asp