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Lecture Catch-Up Hours

Turn missed lectures, playback speed, notes, and days into a catch-up total and a daily figure.

Privacy: This App does not send or save your entries. Do not enter passwords, codes, full account numbers, or private identifiers.

Enter your numbers

Enter only the details needed for this task. Check them against the original source.

Drag to try another value

Now set to 0. The result, the chart, and the meter follow the slider as you drag. Typing a number in the form above moves the slider to match.

Your result will appear here.

Engine self-test

Running golden cases…

The bars are drawn from the numbers in your result and redraw on every compute. They show no new information and store nothing.

The chart is drawn from your result by this page's script. The text result above carries the same numbers.

MIT OpenCourseWare — About MIT OpenCourseWare
MIT OpenCourseWare publishes full course materials free of charge, including schedules and problem sets.
Reviewed 2026-10-26. OCW does not grant credit, grades, or instructor access. Pacing is the learner's responsibility.

This App adds the minutes you enter. It does not replace attending class or reading the assigned material.

This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.