This Annuity Calculator is a simple spreadsheet by Vertex42.com that is useful for retirement planning. It simulates a situation where a person makes regular withdrawals from an account that is earning interest. The calculations are based on general...

The Home Mortgage Calculator by Vertex42.com is much more than just a run-of-the-mill online mortgage calculator. It is a template for Microsoft Excel that gives you the flexibility of a spreadsheet in addition to providing a fairly comprehensive set of...