public static void latexRender(String latex) {
TeXFormula tf = new TeXFormula(latex);
TeXIcon icontf = tf.createTeXIcon(TeXConstants.STYLE_DISPLAY, 20);
icontf.setInsets(new Insets(5, 5, 5, 5));
OutputTextPane otp = new OutputTextPane();
otp.addIcon(icontf, 0, true);
JPanel jp = new JPanel();
jp.add(otp);
JFrame tstF = new JFrame("test");
tstF.add(jp);