Help your clients envision the future

Help your clients envision the future using calculations for future value, present value, payment, interest rate and time where all the inputs show rather than be hidden like a typical calculator. It only works when inputs are level and unchanging and you know 4 of the 5 variables.
Small enough to be used in conjunction with other software on the screen, this calculator illustrates statistics and return on investment projections simply and effectively.
For example:
If I had $50,000 and was adding $1000 per year, what interest rate would I need to earn to get $1,000,000 in 20 years?
Answer: 15.39%