In this article, We will learn program to calculate compound interest in Kotlin. In simple terms, Compound interest is the sum of principal amount and interest of interest.

Source Code:

In this program, we will take input from the user to enter to get principal amount, rate and years value. To do so we have used readLine() function.

compound interest formula is A = P(1 + r/n)^nt. Where "P" is the principal amount, "r" is an annual nominal interest rate and "n" is the number of years. Same is printed using print() function.

Compound Interest Formula |

Source Code:

fun main(args: Array<String>)

{

try

{

print("Enter principle amount : ")

val principle = readLine()!!

print("Enter interest rate : ")

val rate = readLine()!!

print("Enter number of years : ")

val time = readLine()!!

val ci = principle.toDouble() * Math.pow((1 + rate.toDouble()/100.00),time.toDouble())

println("Compound Interest is : $ci")

}

catch (exception : NumberFormatException)

{

print(exception)

}

}

Output:{

try

{

print("Enter principle amount : ")

val principle = readLine()!!

print("Enter interest rate : ")

val rate = readLine()!!

print("Enter number of years : ")

val time = readLine()!!

val ci = principle.toDouble() * Math.pow((1 + rate.toDouble()/100.00),time.toDouble())

println("Compound Interest is : $ci")

}

catch (exception : NumberFormatException)

{

print(exception)

}

}

Enter principle amount : 2000

Enter interest rate : 2

Enter number of years : 3

Compound Interest is : 2122.416

Description:Enter interest rate : 2

Enter number of years : 3

Compound Interest is : 2122.416

Calculate Compound Interest in Kotlin - Output |

In this program, we will take input from the user to enter to get principal amount, rate and years value. To do so we have used readLine() function.

compound interest formula is A = P(1 + r/n)^nt. Where "P" is the principal amount, "r" is an annual nominal interest rate and "n" is the number of years. Same is printed using print() function.

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