You can add beautiful, formatted math text to write equations, numbers, and more to Activity Builder screens. To get started, add a "Note" to a screen. Select the "f(x)" button in the bottom right hand corner.
This will bring up a text box for you to enter your math text. You can type just as you do in the calculator. For example, typing y=x^2 will yield this:
Press enter after you're done entering your equation. The equation will be enclosed in `` tags. Do not remove those tags or the math text will be removed and replaced with plain text. Click "Done" after you have completed your note.