markdowndisp('**bold text** and $E=mc^2$')

mdText = sprintf([ ...
    '## LaTeX Rendering Test\n\n', ...
    '**Fraction and exponent:**\n\n', ...
    '$x = \\frac{-b \\pm \\sqrt{b^2-4ac}}{2a}$\n\n', ...
    '**Sum:**\n\n', ...
    '$\\sum_{i=1}^{n} i = \\frac{n(n+1)}{2}$\n\n', ...
    '**Integral:**\n\n', ...
    '$\\int_{0}^{\\infty} e^{-x^2}\\,dx = \\frac{\\sqrt{\\pi}}{2}$\n\n', ...
    '**Matrix:**\n\n', ...
    '$A = \\begin{bmatrix} a_{11} & a_{12} \\\\ a_{21} & a_{22} \\end{bmatrix}$\n\n', ...
    '**Limit and Greek letters:**\n\n', ...
    '$\\lim_{\\theta \\to 0} \\frac{\\sin\\theta}{\\theta} = 1, \\quad \\alpha + \\beta = \\gamma$\n\n', ...
    '**Inline equation:** energy $E = mc^2$ and Euler identity $e^{i\\pi} + 1 = 0$.\n' ...
]);

markdowndisp(mdText)