[10:13 AM EST]
The Big Ideas Math site experienced a disruption yesterday from approximately 5:25 – 5:35 PM EST. Some users may have experienced a slower response time while accessing our website.
We will be performing system maintenance this evening, which may have a minor impact on usage. The maintenance is scheduled for tonight, January 28th, at 11:00 PM and will last until January 29th at 4:00 AM EST. We recommend that you refrain from using the site during these updates. Thank you for your patience in this matter.