Select an equation or part of it which you want to change. Select File Options Add-Ins. Click Set As Default to open the settings.
On the Home ribbon youll find everything you need under the Font heading.
Under Equation Tools on the Design tab in the Conversions group click the button Text to highlight it omit. For change equation font I choices my native languageYour can can choices any font. Italic font format selected in the Find and Replace dialog box 9. Then cut and paste it over the Cambria Math character.