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Bought the calculator? Use the signup link in your quote email. Lost your link or password?

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Enter the email on your quote or account. If we know it, we will send a new signup link, or a password reset link.

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Resetting . Confirm it is you with a code from your authenticator app, or a recovery code.

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Open your authenticator app and enter the 6-digit code, or one of your recovery codes.

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In an authenticator app (Google Authenticator, 1Password, Authy…) scan this code, or open it in your app on a phone.

Or type this key:

Save your recovery codes

Each works once if you lose your authenticator. They are shown only now.