menu.cs shitty half built stuff

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 matrixcalculator
{
    public partial class Menu : Form
    {
        public Menu()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {
         // something happened i don't know why but if it delete this it dies so
        }

        // Define the UI classes (form, var name = new form function)
        DeterminantUI DeterminantUI = new DeterminantUI();

        public void btnMenuDet_Click(object sender, EventArgs e)
        {
            Determinant();
        }

        private void btnMenuMulti_Click(object sender, EventArgs e)
        {

        }

        public void Determinant() // public means that any class can access, void can fuck off
        {
            DeterminantUI.Show(); // Display DeterminantUI.cs form


        }

    }
}