We are now accepting student photo submissions for the TIA instagram account! We will also give FREE GIVEAWAYS (e.g. TIA T-shirts) to all students who submit a photo that is featured on our instagram page. Submit your photo here now ..read more

I am very excited to announce that the Practice app is now available on both iOS and Android. Now you can practice problems wherever you are without any need for a live internet connection, and your problem history will stay synced across all of your devices. Here are some of the features in v1: Work problems in order or randomly in continuous mode Create custom length quizzes to emulate timed practice exams Get instant feedback on problem attempts, with both written and video solutions Filter problem sets by flagged, missed, or SOA Review problem history and re-work problems directly from his ..read more