This is a C# Program to calculate compound interest.

This C# Program Calculates Compound Interest.

Compounding of interest allows a principal amount to grow at a faster rate than simple interest, which is calculated as a percentage of only the principal amount.

Here is source code of the C# Program to Calculate Compound Interest. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

/* * C# Program to Calculate Compound Interest */ using System; namespace compund { class compound { static void Main(string[] args) { double Total = 0, interestRate, years, annualCompound, Amount; Console.Write("Enter the Initial Amount : "); Amount = Convert.ToDouble(Console.ReadLine()); Console.Write("Enter the Rate of Interest : "); interestRate = Convert.ToDouble(Console.ReadLine()) / 100; Console.Write("Enter the Number of Years : "); years = Convert.ToDouble(Console.ReadLine()); Console.Write("Number of Times the Interest will be Compounded : "); annualCompound = Convert.ToDouble(Console.ReadLine()); for (int t = 1; t < years + 1; t++) { Total = Amount * Math.Pow((1 + interestRate / annualCompound), (annualCompound * t)); Console.Write("Your Total for Year {0} " + "is {1:F0}. \n", t, Total); } Console.ReadLine(); } } }

In this C# program, library function defined in <math.h> header file is used. We are reading the initial amount, the rate of interest, and the number of years using ‘Amount’, ‘InterestRate’, ‘Years’ variables respectively. For loop is used to compute the compound interest using the following formula:

Compound Interest = Principal amount (1 + InterestRate/Years) ^ (Years * number of times).

Enter the Initial Amount : 1000 Enter the Rate of Interest : 2 Enter the Number of Years : 2 Number of Times the Interest will be Compounded : 2 Your Total for Year 1 is : 1020 Your Total for Year 2 is : 1041

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