}//GEN-LAST:event_jMenu1ActionPerformed
private void RunMenuActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_RunMenuActionPerformed
// TODO add your handling code here:
try {
Expression ex ;
// The enum starts at one, the list box index starts at 0
int tmpExpressionStyle = ExpressionCmb.getSelectedIndex() + 1;
//p.Create(PolynomialExpression.ExpressionStyle.twoByTwo);
switch (tmpExpressionStyle) {
case 1: // Single element