What is compound interest rate? Learn the definition, formula, examples, and how it affects investments and loans in this ...

The interest rate your lender gives you isn't the true cost of your mortgage. Learn how to calculate your effective interest rate, including any discount points.

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 ...

New solutions of the heat equation are exhibited for the case in which both the temperature and heat flow rate are prescribed at a single fixed boundary. The prescribed temperature and heat flow rate ...