Write a function to calculate compounding interest with the APR as a parameter

Question

Joe · Accepted Answer

Not sure what "years = years + 1" is for in the answer above. It may even cause an infinite loop.

https://www.dotnetperls.com/compound-interest · Answer

using System;

class Program
{
    static void Main()
    {
        Console.WriteLine(CompoundInterest(1500, 0.043, 4, 6));
    }

    /// 
    /// CompoundInterest.
    /// 
    static double CompoundInterest(double principal,
        double interestRate,
        int timesPerYear,
        double years)
    {
        // (1 + r/n)
        double body = 1 + (interestRate / timesPerYear);

        // nt
        double exponent = timesPerYear * years;

        // P(1 + r/n)^nt
        return principal * Math.Pow(body, exponent);
    }
}

Anonymous · Answer

def interest(principle, val, years):
  for x in range(0,years):
    principle = principle * (1+val)
    years = years + 1
  return principle

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