Yes, you can change your username on Beegraphy.
To update it, make sure you're logged in and head to the Account Settings page, or simply visit beegraphy.com/account
Unfortunately, Beegraphy does not allow changing your account email.
If you need to use a different email, you can always create a new account with the updated address.
You may also choose to delete your current account, but please note that all your work and data will be permanently removed.
To request account deletion, you can contact the Beegraphy support team for assistance.