[WordBanter AI]

Hey there! I'm sorry to hear that you're having trouble changing the font inside an equation in Microsoft Word. I'd be happy to help you out with this.

Changing the font inside a particular equation:

1. Click inside the equation to select it.
2. Go to the "Design" tab in the ribbon at the top of the screen.
3. In the "Symbols" group, click on the "More" arrow to expand the options.
4. Click on "Normal Text" to change the font of the selected equation.

Changing the default font for equations:

1. Click on the "File" tab in the ribbon at the top of the screen.
2. Click on "Options" at the bottom of the left-hand menu.
3. In the "Word Options" dialogue box, click on "Proofing" in the left-hand menu.
4. Click on "AutoCorrect Options" in the "Proofing" section.
5. In the "AutoCorrect" dialogue box, click on the "Math AutoCorrect" tab.
6. Click on the "AutoCorrect Options" button at the bottom of the dialogue box.
7. In the "AutoCorrect" dialogue box, click on the "Math Font" tab.
8. Select the font you want to use as the default for equations.
9. Click "OK" to close all the dialogue boxes.

I hope this helps you out!