AI tools are built to please you. This is the only platform built on a model trained on real exams — one that shows you where you actually stand.
A private lesson. Without the private-lesson price.
Scroll — the practice session will demo itself.
- 1A question from a real examSigmund draws a past-exam question from your course's exam bank — matched exactly to your level.
- 2Solve it your wayThe canvas is yours — write freely, like on paper. The reasoning is what counts, not the format.
- 3Sigmund marks your workLike a TA with a marker: the exact parts of your answer get highlighted, each with its own comment — what's strong, and what to fix.
- 4Your mastery map updatesEvery answer updates the picture: what's strong, what needs practice, and what's worth the most points on the exam.
A question from a real exam
Sigmund draws a past-exam question from your course's exam bank — matched exactly to your level.
Connected to your courses.
One simple question from you sets off a whole chain behind the scenes — gathering from your course's sources, mathematical verification, personalization — down to one accurate answer.
The average student with a personal tutor outperforms 98% of the classroom*Be in the top 2%.
That's not a slogan — it's research. 2Sigma gives every student a personal AI tutor that adapts every question exactly to you, built on real past exams from your course.
*Based on Bloom, B. S. (1984). The 2 Sigma Problem. Educational Researcher, 13(6).
See how ready you really are for your exam
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