Wiki Documentation/Mathematical expressions

<math>\int_a^x \!\!\!\int_a^s f(y)\,dy\,ds
 = \int_a^x f(y)(x-y)\,dy</math>

<math>\int_a^x \!\!\!\int_a^s f(y)\,dy\,ds

= \int_a^x f(y)(x-y)\,dy</math>