China has 50,000 rivers, each with a catchment area greater than 100 square kilometers. The rivers in China have a total length of 420,000 kilometers. 1,500 of Chinese rivers have a catchment area exceeding 1,000 square kilometers. The majority of rivers flow west to east into the Pacific Ocean.
Continuous Compounding Interest : Continuous compound interest is the procedure of obtaining interest on top of interest in a monthly, quarterly and semiannual basis and the interest is obtained continuously.
For example, interest that is compounded annually is credited once a year, and the compounding period is one year. Interest that is compounded quarterly is credited four times a year, and the compounding period is three months.