"Quadratic Equation Roots function
'Multiline code block example:
quadRoots(a; b; c) = _
$block{
    D = b^2 - 4*a*c; 
    x_1 = (-b - sqrt(D))/(2*a); 
    x_2 = (-b + sqrt(D))/(2*a); 
    [x_1; x_2]; 
}
quadRoots(2; 3; -5)
'Inline code block example:
quadRoots(a; b; c) = $inline{D = b^2 - 4*a*c; x_1 = (-b - sqrt(D))/(2*a); x_2 = (-b + sqrt(D))/(2*a); [x_1; x_2]}
quadRoots(2; 3; -5)