If you are behind a network firewall that requires you to use a web proxy with your browser, your Java environment will also need to use a proxy to connect to tool sessions. The default security...
There are two common reasons why you may not be able to view an application.The tool is internally misconfigured. If you can look at your My HUB page and see that the tool you just started does not...
What are groups?
Work together with your colleaguesCreate a group to organize your interactions. Group members can:Post content that only other group members are allowed to seeExport their content to other web...
Why can't I log in?
Have you registered? You must register in order to log in. If you have registered and you still cannot log in then check and double-check your username and password. Usually this is the problem; if...
Why do I get logged off automatically?
If you do not check the Remember login box when you log in, the site will only keep you logged in for a short time. This prevents misuse of your account by anyone else. To stay logged in, check the...
Why do I need Java?
Why do I need to register at all?
Registration will give you access to additional features not available to guest users, including simulation tools, learning modules, and more. The registration process is completely automatic and...
Why is Hispanic / Latino not a racial background choice?
According to U.S. government guidelines, ethnic heritage and racial background are to be separate, distinct questions and responses. "Ethnic Heritage" defines membership in cultural groups such as...
Why the math question?
When you use the Help button to submit a trouble report, it may ask you a simple math question such as "What is the sum of 3 and 5?" You get this if you're not logged in. Providing a correct answer...