How to calculate simple interest on an investment

How to calculate compound interest on an investment

Future value (FV) of an annuity example problem

Present value (PV) of an annuity example problem

How much do you need to invest each year so you can withdraw $X per year of retirement

The rule of 72 for investing: a quick way to find out how long until your money doubles

Future value FV of a linear gradient

What is net present value (NPV) aka net present worth

Net present value (NPV) example problem

How to calculate payback period (PBP)

Find the NPV and PBP of a business investment for project evaulation

Find the annual equivalence of a business investment

Annual effective rate explained with an example (compounding semi annually)

Annual effective rate for various compounding periods

Comparing two projects with equal service lives