1. Click on the sigma in the upper righthand corner of your frame window.If you need to edit the equation after "shrinking" it, just select the Unwrap Equation option.2. Click the mouse at the point in your document where you wish to insert the equation. If you want numbered equations, start a new paragraph by hitting Return at the end of the previous sentence.
3. Select New Small Equation (or Medium or Large equation if you want a larger font) from the Equations options.
4. Now enter your equation by selecting the appropriate symbols and typing in letters and numbers as needed.
5. When you are done, select Shrink Wrap from the Equations options in order to fit the equation in the text.
NOTE: If you want your equations numbered, and have placed the equation on a line by its self, look under the Paragraph Formats menu at the Autonumbering entry to find out how to add automatic equation numbers.