private void button2_Click(object sender, EventArgs e)
{
d1.chis = (int)numericUpDown1.Value;
d1.znam = (int)numericUpDown4.Value;
d2.chis = (int)numericUpDown2.Value;
d2.znam = (int)numericUpDown5.Value;
d3.chis = (int)numericUpDown3.Value;
d3.znam = (int)numericUpDown6.Value;
R = (d1 + d2) * (d1 - d3);
textBox7.Text = "R ravno " + "\r\n" + Drob.Vivod(R) + "\r\n" + "\r\n" + "1/R ravno " + "\r\n" + Drob.Vivod(1 / R);
}
public static string Vivod(Drob Viv)
{
return(Viv.chis + "\r\n" + "---" + "\r\n" + Viv.znam);
}