MathML

Example	Description
$π r^{2}$	Area of a circle
$φ = \frac{1 + \sqrt{5}}{2}$	Golden ratio
$a x^{2} + b x + c = 0$	Quadratic equation
$x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$	Quadratic formula
$a x^{3} + b x^{2} + c x + d = 0$	Cubic equation
$e^{i x} = \cos (x) + i \sin (x)$	Euler's formula
$e = \lim_{x \to \infty} {(1 + \frac{1}{x})}^{x}$	e (mathematical constant)
$V = \frac{4}{3} π r^{3}$	Volume of a Sphere
$E = m c^{2}$	Mass-energy equivalence