ARTICLE SYNOPSIS...DERIVATION OF EQUATIONS FOR WAMI SPECTRUM by Technical Analysis, Inc. The equations here have been included for researchers who may want to study and modify WAMI. Simply, the WAMI power and phase spectrum is obtained by using Z transform theory to obtai
ARTICLE SYNOPSIS...DERIVATION OF THE RULE OF 72 The mathematics behind the rule of 72, stating that if an amount is invested at a compound interest rate until it doubles in value, then the product of the number of years (or periods) and the interest rate is approximately