Depending upon the subscription length that you choose, you will be charged monthly or annually as long as your account is active.  If you decide that you will not be using Daystar iStructural.com for a while, you can deactivate your account.  Once your account is deactivated you will not be charged monthly or annual fees but you will still be able to view and print existing calculations.  At any time you can activate your account and have full access again.

Please see the Sign Up page for more information.