| Keyword: | ∇ Name: | Description: | ∇ Type: |
| Present Value | WHATIF.lng | Home Mortgage Calculation | LINGO |
| Present Value | Mortgage4.lng | Solve the finite term mortgage problem | LINGO |
| Present Value | CAPBUDX.xls | Capital Budgeting | What'sBest! |
| Present Value | MortgagePay.xlsx | Simple Mortgage Repayment Model | What'sBest! |