Practice Mode
Pick a topic and click New Problem. Type answers with ASCII math (e.g., x^2, 5.6e-4). Use Next step to reveal the solution just like a paper notebook.
Tip: tap New Problem to randomize.
Select a topic and click New Problem.
Unit 5 Mini–Mock Exam
Ten mixed questions from 5.1–5.7 with step‑by‑step reveals.