Here are some fixes to problems that you might be having.
If you have trouble getting ST Math to load, you might need to clear your cache. You can see how on Chrome, Safari, or Edge.
You may also want to check that *.stmath.com is not getting blocked by ad-blockers, or any security extensions on the device or network.
As always, Support is available to help troubleshoot any problem you may be having. If you think you may have encountered a bug or glitch let us know as soon as possible!