Tax Bonds and Postal Certificates for children

https://qrc.depaul.edu/StudyGuide2009/Notes/Savings%20Accounts/Compound%20Interest.htm


http://web2.0calc.com/

If I invest 10,000 into 5 years and reinvest the same into another 5 years
It is the same as investing in 1 time 10 years.
They both turn out to be same.