Build a signed problem link your students can open. They see the prompt, use the calculator, and get immediate feedback on whether their answer matches yours.
How it works: You describe the problem below, set the expected answer, and click Generate link. If this deployment has a backend configured, the link is cryptographically signed so students can't silently edit the expected answer. If no backend is configured, the link still works but carries an unsigned badge — fine for low-stakes practice, not recommended for graded assignments.
Backend status: checking…
Any values you put here get dropped into the student's calculator fields automatically. Use the DOM id of the field (e.g. tValue, degreesOfFreedom).
Not yet generated.