EvoCalculator.Core/EvoCalculator.Core.FinanceFormulas/GoalXIRR.cs

using TridentGoalSeek;

namespace EvoCalculator.Core.FinanceFormulas
{
    public class GoalXIRR : IGoalSeekAlgorithm
    {
        private readonly int x;

        public GoalXIRR(int x)
        {
            this.x = x;
        }

        public decimal Calculate(decimal inputVariable)
        {
            // Value[2]+=10;
            // ComputeValues
            // XIRR
            // return XIRR
            return inputVariable * this.x;
        }
    }
}