Test LaTeX

$a^2 + b^2 = c^2$
$\mathbf{X}\_{i, j} = \mathbf{A} \mathbf{B}^\mathsf{T}$
See more LaTeX with MathJax

Test Code

void hello_world(void)
{
    std::cout << "Hello World!";
}

Test Picture

Test <iframe>