Inquiry Learning in Math
Desmos is a totally free online graphing calculator. It can do everything (including regressions) that a Ti-84 can do. Here's a quick user's guide:
Desmos_User_Guide.pdf
But Desmos is much, much more than just a graphing calculator!
It's also a platform for designing and leading inquiry-based learning activities for all grade levels. In this session, participants will get a sense of the student view, but also see the teacher dashboard, and get the chance to start exploring the vast array of pre-made, editable activities: