As the name indicates the Free Equation Editor is software that lets users create mathematical equations for a number of purposes. In the box of customizable options click the arrow next to Office Tools and select Equation Editor. When showing your work you should use the equation editor in Word.
It provides you with very easy user interface and yet powerful features in making equations.
Teachers could use it for creating class tests and students can. Keep in mind that Microsoft OneNote does not currently calculate the equation for you. Insert an equation with Equation Editor On the Insert tab in the Text group click Object. In the box of customizable options click the arrow next to Office Tools and select Equation Editor.