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What's new12–18 October 2026Worked exam problems for Math I · One mastery score per concept · Math V and Game Theory notes

University of Groningen · BSc EOR

Learn the ideas.
See the connections.

Your companion for Econometrics and Operations Research. Find a concept, work through its foundations, and build understanding that lasts.

Definitions, worked intuition, prerequisites and practice — connected.

Enter the Concept Galaxy
TODAY'S CONCEPT One idea.
Eight questions.
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A fresh concept from across the programme. Everyone takes the same daily check.

3 easy3 medium2 difficult
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Your first completion can earn XP, EORbits and EOR Rating within the usual limits. Repeats are practice.

Mastery & rewards

Your answers count toward the concept's mastery score. 7–8 correct suggests Mastered, 5–6 Clear, 3–4 Partial and 0–2 Unknown; choose Use as self-rating to save that level too. All rewards use the existing daily limits.

Start where the notes are strongest. Year 1 has the most developed concept coverage. Year 2 includes lecture-based notes and AI checks for Math V, Life Insurance, Game Theory and Risk Insurance, with coverage limits on their course pages; the other eight courses have placeholder hubs. Year 3 lists minor routes, thesis and course hubs; Stochastic Models has four foundation notes, with lecture placement pending.

A place to begin

What brings you here?

Choose the task in front of you. You can change direction at any time.

01 / ORIENTFind your feetStart with your course. See how the concepts fit together before diving into the details.Browse Year 1 → 02 / UNDERSTANDUnpack an ideaFind the definition, try an example, then follow the prerequisites when a step is missing.Open Concept Finder → 03 / REVISEMake practice countSave a small set of concepts, then review them one at a time and mark each one done or skipped.Open study sets → 04 / TEACHPrepare to explainTrace the foundations of a topic and turn them into a focused tutorial or lesson.Open Teaching workbench →