The ribbon is the horizontal menu between your document title and the document. Find the Equation icon p. There are multiple equations in the drop-down list then scroll down and select one of them to meet your actual needs.
To insert a formula do the following.
Step 1 Consider the following table with the total number of rows. Then press the Shift F9 keys on your keyboard to toggle its field code. Then find Ink Equation button at the left side of the Equation Tools Design tab to invoke the handwriting window. But what if you need to create a Word table with formula.