ROI Calculator with MORE THAN annual compound interval??

[Travis Petty]

Looking for a simple compounding ROI calculator where I can put in the compound interval to be like 5 years. The only ones I'm coming up with max out at annually.

Example:
I wanna put in a initial investment amount (say, $100k), an investment timeframe (say, 25 years), and Annual rate of return (say, 19.26 percent), and then set the compounding interval to be 5 years. This would allow me to project out a $100k investment into deals that have a 5 year lockup . . . so basically the gains would only be added/calculated to be involved in the next 5-year deal (and I'd basically be able to run 5 deals that each run for 5 years . . . adding up to the 25 year total timeframe).

Then I wanna play with the rate of return, the compounding interval, the investment timeframe and the initial amount variables and see how it affects the Grand Total.

Thanks in advance!