Mr. Smith's Math Resources

Battery Replacement Program

Does your TI-NSPIRE battery no longer hold a charge? Texas Instruments has a free battery replacement program.

One Good Problem

A new deep-dive video series featuring one high-leverage problem at a time from class topics, SAT/ACT, and contest math. First featured problem coming soon.

RHS Countdown Timer

A quick live countdown page for the rotation schedule, finals, and end-of-year milestones.