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About this tool
Rank syllabus units by marks recoverable per study hour and get a greedy hour allocation for the time left before the paper.
This tool ranks syllabus units by marks recoverable per study hour — recoverable = unit marks × (1 − readiness%), priority = recoverable ÷ hours needed — and then allocates your remaining hours greedily from the top. That is the value-density rule from the fractional knapsack problem, the provably efficient way to order work when time, not material, is the constraint. Built for the night-before and last-48-hours crunch before a university or board paper.
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High-mark, low-readiness, quick-to-study units float to the top — not just the scariest or biggest chapter.
Your available hours are distributed down the ranking, showing full, partial and skip verdicts per unit.
See roughly how many marks the plan captures out of everything still recoverable, before you start.
The unit with the highest marks recoverable per hour: multiply the unit's paper marks by how unprepared you are (100% minus readiness), then divide by the hours it needs. A 20-mark unit you are 40% ready for that needs 5 hours scores 2.4 marks/hour, beating a 12-mark unit at 80% readiness needing 2 hours (1.2 marks/hour).
With very limited time, ranking by marks-per-hour and skipping the lowest-density units usually beats spreading thin, because the top units yield more marks for the same hours. The exception is a paper with compulsory questions from every unit — then give each unit a minimum pass over its highest-yield topics before returning to the ranking.
Count the lectures or textbook pages the unit spans and convert at your own pace — a common rough rate is 1 hour per lecture of first-pass revision, plus problem practice for numerical units. If unsure, err higher for numerical units and lower for memorisation units, then adjust after your first session.
No — the expected-gain figure assumes marks scale linearly with study hours, which real learning only approximates, and actual papers vary in question distribution. Use the ranking to decide order and cut-offs; treat the marks estimate as a planning number, not a prediction.