Your login cookie is a small file that CALibrate writes to your web browser's cache. It allows CALibrate to remember you on a particular computer without having to retype your username and password every time you login. You tell CALibrate to remember you by checking the Remember Me box on the login screen. Your browser must be enabled to accept cookies from www.happyjacksoftware.com. If you are the only one using your computer then this is a perfect shortcut, but if you are using a public computer then this feature is not recommended.