If you cannot login to the calculator you’ll likely need to reset your password. To do this please follow these steps:

1. Visit the login page of the calculator (Where it prompts for email and password)
2. Next click on the link “Forgot my password”
3. Enter your email address that you signed up/signed in with
4. Click “Reset Password” button
5. You’ll receive a link in your email to reset your password. Click it or copy and paste it into              your web browser.
6. On the next screen you will be able to enter in a new password and save it.
7. Then attempt to login again