# Equations with MathML

The MathML add-on enables you to create complex mathematical and scientific equations in a math-specific editor. To use it, you need to purchase a MathML license. For details, contact a Heretto representative.

## Insert an Equation

You add an equation to your topic by inserting a mathml element.

## Edit an Equation

You can quickly edit equations that need to be updated.

## Remove an Equation

You can quickly remove equations that you no longer need from your topics.