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ToTeachers
ReYour students using Scratchpaper

It won’t do the homework.

What Scratchpaper does when a student brings it your assignment, what it keeps, and what it isn’t yet. One page, no pitch.

What it does with a problem

01

Teaches the method, stops before the last line

A student types the problem or photographs the worksheet. It works through their problem step by step and leaves the final step for them.

02

The answer is held back

It’s sent separately and stays hidden until the student taps I tried it — show me the answer. It’s there to check against, not to copy.

03

It won’t write anything a student would hand in

Essays, paragraphs, translations, lab write-ups: none of these, in any form. It teaches the technique on a different example and says why it won’t write theirs.

04

The chat tutor holds the same line

“The test is in five minutes” doesn’t change it. Under time pressure it gives the fastest correct method, not the answer.

05

Tested on every change

Before any update ships, an automated test runs the homework stream 60 times, cut at random points. If any piece of the answer shows up before the tap, the update doesn’t go out.

Or keep reading: what a student can still do, what we keep, and what this isn’t yet.

What a student can still do

We’d rather you heard it here.

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Tap for the answer without trying

The tap is a speed bump, not a wall. It is counted, though. When a student sends a parent a progress report, the headline number is problems worked through without being given the answer.

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Get a wrong explanation

It’s an AI and it can be wrong. It also misreads messy handwriting in bad light, which is why it restates the problem before it starts.

What it keeps

01

Start without an account

Grade, school, saved work and notes stay in the student’s browser until they choose to sign in. Sign-in is a code by email — no password. A student under 13 needs a parent’s okay first, by email to the parent; we never email a child.

02

Questions and photos reach our server

They go to our AI provider (Anthropic), which doesn’t train on them. We keep a log of what was asked and answered so we can check it isn’t handing out answers.

03

Have students cover the name line

A worksheet photo can include a student’s name. Cropping it out keeps it off our server. If one gets through, email us and we’ll delete it.

Full privacy policy →

What it isn’t, yet

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Not a classroom tool

No teacher dashboard, no roster, no LMS link. It’s something a student uses on their own at night.

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Your course is there for LA schools we’ve catalogued

We typed in the courses from a set of LA schools’ published catalogs. Anyone else can photograph a syllabus to get their real unit list.

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Free, no ads

Nothing is sold and nothing is advertised to students.


Try it on your own assignment

The best test is one of your own problems. Photograph it and see where it stops. If you ever catch it handing over a finished answer, send us the screenshot. We treat that as a bug and fix it.

I’m Nick, an 8th grader in Los Angeles, and I made this for my own classes.

Scratchpaper is built by a student, but it isn’t run by one: it is operated by Crave Digital, Inc., and an adult is responsible for it — for what happens to student work, for answering you, and for fixing it when it is wrong. hello@cravedigital.co reaches an adult, every time.

free · start without an account · grades 6–12

— Nick

Crave Digital, Inc. · Los Angeles