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# C Program for compound interest

• Last Updated : 07 Feb, 2018

Compound Interest formula:

Formula to calculate compound interest annually is given by:

Compound Interest = P(1 + R/100)r

Where,
P is principle amount
R is the rate and
T is the time span

Example:

```Input : Principle (amount): 1200
Time: 2
Rate: 5.4
Output : Compound Interest = 1333.099243
```

## C++

 `// CPP program to find compound interest for``// given values.``#include ``using` `namespace` `std;`` ` `int` `main()``{``    ``double` `principle = 10000, rate = 10.25, ``time` `= 5;`` ` `    ``/* Calculate compound interest */``    ``double` `CI = principle * (``pow``((1 + rate / 100), ``time``));`` ` `    ``cout << ``"Compound interest is "` `<< CI;`` ` `    ``return` `0;``}`

Please refer complete article on Program to find compound interest for more details!

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