The Leverage Space Portfolio Model. (Obtain the software here).
Learn how to construct your scenarios and joint probabilities for it with this Excel spreadsheet of instructions.
Abraham Wald's Sequential Analysis starter code (if we've spoken, you know what this is. Code is dtd March '91).
Code from Portfolio Management Formulas (this stuff is 20 years old).
For you loafers at King's who keep losing it, here is the OSU spreadsheet that's been floating around. I must be the only one who has it.
In the future, people will not accept the conventional notion of having to pay taxes as an inescapable tenet of life. In fact, I find it nearly criminal that we still do; today should have already been endowed with past taxes paid. I advocate municipalities (and even larger governmental oranizations) to end the bunko of 'pay-as-we-go,' taxation, to think out of the box, and act. Enclosed is a modeling tool for municipal self-endowment. End taxation within a generation -- forever.