HOW DO I ADD SUBSCRIPT TEXT TO A DRAWING NOTE?

Hello there,

Thank you for the question. I also learnt along trying to figure it out.

Here is how I approached it :

Click the Stack icon on your Text Formatting toolbar (as seen in the picture)

Choose the stack type, I chose the ones as shown.

Enter the text on top right corner of the window.

Choose subscript size in the drop down list below. And voila