If you want to choose a different type of currency to charge in for your courses you can do it using the 5th step of the membership wizard.
First login to the Member App software. Then navigate to the Memberships Dashboard inside of your account. Once there create a new membership by clicking the button on the top right of the page that says '+ New membership':
Now navigate through the Membership Wizard until you arrive at Checkout which is our 'payments' step.
Enter a price for your course.
The currency dropdown will appear. Select this dropdown to choose the currency of your choice. When you've found the currency you want to charge in for your course simply select 'Save' at the bottom of the page to save your changes.