Sources and Review Notes
Official links and reference types used by Calc for Class.
Exam policies
SAT, ACT and AP policy pages link directly to the current official exam-provider pages.
Calculator documentation
TI-84 guide content is original and informed by calculator behavior and publicly available documentation.
Calculation formulas
Original calculators use standard classroom formulas described on the methodology page.
Review practice
Time-sensitive pages should be checked periodically and whenever an exam provider announces changes.