The two principals in wealth building that an investor must understand are the Time Value of Money and Leverage. This post describes TVM and a few things about financial calculators. But first 5 definitions: Compounding(i) & Discounting(i), Present Value(PV), Future Value (FV), Payment (PMT), Holding Period (n). (A)Let’s say you invest $1000 today (PV) at 10% annually for 5 years…