1-) C# - HesapMakinesi(ders24)


private void button1_Click(object sender, EventArgs e)

        {

            double sayi1, sayi2;

            double toplam, fark, carpim, bolum;

            sayi1 = Convert.ToDouble(textBox1.Text);

            sayi2 = Convert.ToDouble(textBox2.Text);

            toplam = sayi1 + sayi2;

            label7.Text = toplam.ToString();

            fark = sayi1 - sayi2;

            label8.Text = fark.ToString();

            carpim = sayi1 * sayi2;

            label9.Text = carpim.ToString();

            bolum = sayi1 / sayi2;

            label10.Text = bolum.ToString();