This is a return on investment calculator built with Java inside of Android Studio.
1. Clone the project.
2. Open the project inside of Android Studio.
3. Run the calculator inside of the IDE and customize or add to it as desired.
The calculator can be downloaded free on an Android device from the google store at: https://play.google.com/store/apps/details?id=com.InvestProfits.jimvickery.investingreturncalculator