All right, this is the VERY FIRST post! Let's try something out:

Code snippet:

var fac = function( n ) {
    if( n === 1 ) return 1;
    else return fac(n-1) * n;
}

Equation: $$E(\mathbf R, \mathbf t, \mathbf w) = \sum_{i=1}^N||\mathbf R\mathcal C\times\mathbf w^{(i)} + \mathbf t - \mathbf y^{(i)}||^2$$

That's it. The blog works like a charm!