---

Программ



using System;
using System.Windows.Forms;

namespace Variant14
{
    static class Program
    {
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}





Форм 


using System;
using System.Windows.Forms;

namespace Variant14
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                double p = double.Parse(textBoxP.Text);
                double b = double.Parse(textBoxB.Text);
                double c = double.Parse(textBoxC.Text);
                int N = int.Parse(textBoxN.Text);
                int R = int.Parse(textBoxR.Text);

                // --- Часть 1 (ряд) ---
                double Z1 = 0;
                int factorial = 1;

                for (int k = 2; k <= 5; k++)
                {
                    factorial *= k;
                    double term = Math.Pow(p, k) / factorial;

                    if (k % 2 == 0)
                        Z1 -= term;
                    else
                        Z1 += term;
                }

                // --- Часть 2 (двойная сумма) ---
                double Z2 = 0;

                for (int i = 1; i <= N; i++)
                {
                    for (int j = 1; j <= R; j++)
                    {
                        double numerator = Math.Pow(i, 2) + b * j;
                        double denominator = Math.Pow(c, i) * Math.Pow(j, 3);

                        Z2 += numerator / denominator;
                    }
                }

                double Z = Z1 + Z2;

                labelResult.Text = "Z = " + Z.ToString("F5");
            }
            catch
            {
                MessageBox.Show("Ошибка ввода данных!");
            }
        }
    }
}







Дизайнер





namespace Variant14
{
    partial class Form1
    {
        private System.ComponentModel.IContainer components = null;

        private System.Windows.Forms.TextBox textBoxP;
        private System.Windows.Forms.TextBox textBoxB;
        private System.Windows.Forms.TextBox textBoxC;
        private System.Windows.Forms.TextBox textBoxN;
        private System.Windows.Forms.TextBox textBoxR;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Label labelResult;

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
                components.Dispose();
            base.Dispose(disposing);
        }

        private void InitializeComponent()
        {
            this.textBoxP = new System.Windows.Forms.TextBox();
            this.textBoxB = new System.Windows.Forms.TextBox();
            this.textBoxC = new System.Windows.Forms.TextBox();
            this.textBoxN = new System.Windows.Forms.TextBox();
            this.textBoxR = new System.Windows.Forms.TextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.labelResult = new System.Windows.Forms.Label();

            this.SuspendLayout();

            // textBoxP
            this.textBoxP.Location = new System.Drawing.Point(30, 30);
            this.textBoxP.PlaceholderText = "p";

            // textBoxB
            this.textBoxB.Location = new System.Drawing.Point(30, 70);
            this.textBoxB.PlaceholderText = "b";

            // textBoxC
            this.textBoxC.Location = new System.Drawing.Point(30, 110);
            this.textBoxC.PlaceholderText = "c";

            // textBoxN
            this.textBoxN.Location = new System.Drawing.Point(30, 150);
            this.textBoxN.PlaceholderText = "N";

            // textBoxR
            this.textBoxR.Location = new System.Drawing.Point(30, 190);
            this.textBoxR.PlaceholderText = "R";

            // button1
            this.button1.Location = new System.Drawing.Point(30, 230);
            this.button1.Text = "Вычислить";
            this.button1.Click += new System.EventHandler(this.button1_Click);

            // labelResult
            this.labelResult.Location = new System.Drawing.Point(30, 270);
            this.labelResult.Size = new System.Drawing.Size(200, 30);
            this.labelResult.Text = "Z = ";

            // Form1
            this.ClientSize = new System.Drawing.Size(300, 350);
            this.Controls.Add(this.textBoxP);
            this.Controls.Add(this.textBoxB);
            this.Controls.Add(this.textBoxC);
            this.Controls.Add(this.textBoxN);
            this.Controls.Add(this.textBoxR);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.labelResult);
            this.Text = "Вариант 14";

            this.ResumeLayout(false);
            this.PerformLayout();
        }
    }
}