<math>\int f(x)dx</math>
<math>\alpha \frac{d^2x(t)}{dt^2} +\beta \frac{dx(t)}{dt} +\gamma x(t) = f(t)</math>
<math>\int f(xyz)dx</math>
∫ f ( x ) d x {\displaystyle \int f(x)dx}
α d 2 x ( t ) d t 2 + β d x ( t ) d t + γ x ( t ) = f ( t ) {\displaystyle \alpha {\frac {d^{2}x(t)}{dt^{2}}}+\beta {\frac {dx(t)}{dt}}+\gamma x(t)=f(t)}
∫ f ( x y z ) d x {\displaystyle \int f(xyz)dx}
