Welcome Back
Sign in to continue your workflow.
A cleaner interface makes it easier to move from login to practice, reports, and assignments without losing momentum.
Student Mode
Resume practice immediately. Per-step verdicts (SymPy ✓ / Lean ✓ / LLM judge) live alongside every problem.
Three-Engine Stack
SymPy + Lean + LLM judge. The engine that signed off on each step is shown — no black-box scoring.
Account Access
Sign in
Use your ArcMath email and password to continue.
First time signing in? Your school admin gave you a username ending in @<school>.arcmath.local — set your password here.
School admins: create your account.