Discrete Math · Demo
The answer was right.The proof wasn't.
You're watching one proof from a discrete math exam — the kind of mistake a tired grader waves through at 1am. The same pipeline works for calculus, physics, chemistry, and any other course you bring a rubric for.
Step through it
Ten points. Five key steps.One human decision.
This is the same pipeline that runs on your hardware — ingest, read, evaluate, score, and hand back to you.
Original submission
Q5 · 10 pt
OCR extracted answer
Rendered(p ∧ q) → r ≡ ¬(p ∧ q) ∨ r
≡ ¬p ∧ ¬q ∨ r
≡ ¬p ∨ (¬q ∨ r)
≡ ¬p ∨ (q → r)
≡ p → (q → r)
Deduction rules
Scanned submission received- -2 ptCorrectly start with LHS and apply the definition of implication to get ¬(p ∧ q) ∨ r
- -2 ptCorrectly apply De Morgan's Law to get (¬p ∨ ¬q) ∨ r
- -2 ptCorrectly apply associativity of disjunction to get ¬p ∨ (¬q ∨ r)
- -2 ptCorrectly apply the definition of implication to the inner term to get ¬p ∨ (q → r)
- -2 ptCorrectly apply the definition of implication to the outer term to get p → (q → r) and conclude equivalence with RHS
Drafted score
6 / 10
The student correctly starts with the LHS and applies the definition of implication, but makes a critical error in applying De Morgan’s Law by using conjunction instead of disjunction. The subsequent steps are logically invalid due to this error, although the final answer is correct.
Awaiting instructor decision
Grade AI never finalizes a score. Everything above is a draft until you approve or adjust it.
A real submission from a discrete math exam — select a step to explore, or let it play through
The review screen
Built for verifying, not clicking.
The fastest part of grading should be agreeing with the machine. Everything on this screen exists to make that judgment take seconds.
01
The original scan, untouched
Every deduction points back to the exact region of the page it came from, so you can verify a score without leaving the review screen.
02
Deduction rules, not vibes
Each point comes off against a named rule from your rubric. Two graders reviewing the same work land on the same number.
03
A comment you can actually send
Feedback is written against what the student did, citing the step where the reasoning broke down.
04
You hold the pen
Scores stay in draft until an instructor approves them. Override anything, and the rubric learns your standard for the rest of the stack.
Inside the panel
Straight from the product.
No renders, no redesign for the website. This is the same review rail your instructors work in.
Deduction rules
Every point comes off against a named key point from your rubric, each with its own identifier.
OCR extracted answer
The handwriting, typeset. Toggle to raw output when you want to see exactly what was read.
Standard comparison
Plain-language reasoning against the reference solution, naming the step where the logic broke.
See the full workflow.
Three minutes, start to finish.
And after grading
Grading is the first app.Not the last.
The same on-premise hardware hosts a growing catalog of AI apps. There's a live mockup of the marketplace on the features page.
Bring us your worst handwriting.
We'll run it on a real exam from your course and show you the output.