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A Gubernik company

Bringing AI into Europe's education.

A tutor that lectures, grades like an examiner, and knows your syllabus.

Start for freeSee how it works

Twelve national exams·open today

Classrooms don’t need more screens.

They need a teacher’s attention, for every student.

That is what we build AI to do.

From the morning plan to the marked evening script.

07:45

Plan

Today, laid out before the first bell

10:20

Notes

Your syllabus, condensed to what counts

16:05

Ask

A tutor that lectures like a teacher

16:40

Practise

Real exam tasks, tuned to your level

21:15

Marked

Graded like an examiner, points and all

7/7

das System

Five instruments. One intelligence.

One AI system with one model of you — every instrument reads from it, every answer teaches it.

The Gubernik greeter — the parent house’s humanoid — assembles itself from thousands of small blocks, breathes, looks around, and waves. The same figure that welcomes visitors at Gubernik works inside EuraStudy.
The Lab · the science behind it

The learning science we build on.

The evidence behind the tutor, worked out in the open. We never present usage as proof of learning gains.

THE POSTERIOR · P(KNOWN) AFTER EACH ANSWER1.00.0P( SKILL KNOWN )PRACTICE OPPORTUNITIES →MASTERY THRESHOLD · 0.95from the prior p(L0)a wrong answer lowers it — never to zeroMASTERED → STOP
Knowledge tracing

How a Machine Reads What You Know

What a student knows, inferred from every answer we can see.

12 references · fact-checked→
WHAT A QUESTION IS WORTH · ITEM INFORMATION0.00.51.01.5-3-2-10+1+2+3INFORMATION I(θ)ABILITY θ →ITEM AITEM BITEM CA · a 1.2 · b −1.4 · peak 0.36B · a 1.2 · b +0.6 · peak 0.36C · a 2.4 · b +0.6 · peak 1.44double a → four times the peak, half as wideeach peak sits at its own difficulty, θ = b
Adaptive testing

Twenty Questions

Ability pinned down in a dozen well-chosen questions.

18 references · fact-checked→
PLATE · THE FORGETTING CURVEEXPONENTIAL · S 6 d1.00.50.0R · RETRIEVABILITY051015202530DAYS SINCE STUDY →HALF-LIFE ≈ 4.2 dS · STABILITY = 6 drecall has fallen to 1/efreshly learned · R = 1without review, even well-learnedmaterial leaks awayMEMORY · LEFT ALONER(t) = e^(−t / S)
Spaced repetition

The Half-Life of Knowing

Review timed against the half-life of memory.

20 references · fact-checked→
Read The Lab →
GubernikEuraStudy

EuraStudy is built inside Gubernik, its parent engineering house.

Ready to start?

From the Matura to the Panellinies, every national exam is open today.

Start for freeExplore the platform
EuraStudy

Bringing AI into Europe's education, from final exams to university.

Contact supporteurastudy@gmail.com

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EuraStudyThe exam studio for twelve European school-leaving exams.
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