Grounded
Questions come from your material, not from whatever a model happens to remember about the topic.
Quizzes
Practice what you learn.
Generate a quiz from the note you have open. Answer multiple-choice, cloze, open, and code questions without leaving the app, then get graded with feedback that points back to the source.
- Question types
- MCQ · Cloze · Open · Code
- Source
- Your current notes
- Grading
- In-app, with feedback
- Storage
- Saved in your vault
Concrete — Quizzes
Recorded in Concrete
How it works
Three steps.
- 1
Select
Choose a note, or several, as the source material.
- 2
Generate
The model drafts questions grounded in that text, and multiple-choice options are shuffled and rebalanced.
- 3
Answer
Take the quiz in place. Open and code answers are graded with written feedback.
Up close
Practice generated from the note you are reading.
An illustrative example, drawn in the app's Concrete theme.
Multiple choice
A ball is thrown straight up. At the top of its path, its acceleration is
Cloze
An eigenvector of A satisfies Av = λv, for some scalar λ.
Open
Explain why the area under a velocity-time graph equals displacement.
Code
Return the dot product of two lists.
def dot(a, b):
return sum(x*y for x, y in zip(a, b))Why it matters
Mixed formats
Retrieval works best with variety: recognition, recall, explanation, and application.
Repeatable
Quizzes are saved, so you can retake them and watch your score change.
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Tutor →
Ask about the note that's open.