private void button8_Click(object sender, EventArgs e)//间接测量量转动惯量I的相关计算
{
Cal[7] = Convert.ToDouble(Calculate.ExcelToString(path, 1, 26, 2));
double Icalculate = Calculate.Icalculate(Cal);//计算I的平均值
Cal[14] = Icalculate;
double Ixiangduibuquedingdu = Calculate.Ixiangduibuqueding(Cal); //计算I的相对不确定度
double Ibuquedingdu = Calculate.A(Icalculate * Ixiangduibuquedingdu, 5); //计算I的总不确定度，以及保留小数（四舍六入五凑偶）
textBox6.Text = Convert.ToString(Calculate.A(Icalculate, 5));
textBox7.Text = Ibuquedingdu.ToString("0.00000");
textBox8.Text = Convert.ToString(Calculate.A(Ixiangduibuquedingdu, 2)) + "%";
button15.Enabled = true;
}