Oil field operators can use several practical equations for calculating flow rates of natural gas through venturi gas-lift valves. For critical flow, this analysis derived such equations from a ...

A company's cash flow equals the cash coming into the business minus the cash going out. If you know your business' cash flow for a period that is shorter than a year, such as a month or quarter, you ...

Calculating the IRR for a project with an initial outlay and single cash flow is very easy to do. It's also very practical for measuring the returns on investments in collectibles, commodities, ...