THIS WILL CALCULATE: If you loan money and receive equal periodic payments and a lump sum balloon payment, this will calculate your rate of return.

EXAMPLE: You are willing to loan me $35,000. I will pay you back at $600 per month for 5 years, and also pay you $10,000 at the end of the 5th year. What is your rate of return?

See how to calculate this example on a:
HP12C  or  HP10B