using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace Zubova_Калькулятор { public partial class Form1 : Form { public Form1() { InitializeComponent(); } public static double sum(double a, double b) { return a + b; } public static double razn(double a, double b) { return a - b; } public static double umnog(double a, double b) { return a * b; } public static double del(double a, double b) { return a / b; } public static double step(double a, double b) { return Math.Pow(a, b); } public static double koren(double a, double b) { return Math.Pow(a, 1 / b); } private void button1_Click(object sender, EventArgs e) { textBox3.Text = Convert.ToString(sum(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text))); } private void button2_Click(object sender, EventArgs e) { textBox3.Text = Convert.ToString(razn(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text))); } } }