Every question, placed just above what each student knows.
The directory
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ONE DAY ON THE PLATFORM · 一日
ONE DAY ON THE PLATFORM · 一日
Teacher
The morning report shows who struggled overnight, and where.
Teacher
Assignments go out, each one pitched to its student's level.
Student
A missed question becomes a worked example and a quick quiz.
Student
The vocabulary deck resurfaces exactly the words due for review.
Student
Scans tonight's homework. The engine builds similar problems, never the answers.
School leader
And every question along the way was verified first.
HOW IT ADAPTS · 調整
01
A calm diagnostic seeds each student's starting level.
02
Practice sits just above mastery, where learning happens.
03
Every answer recalibrates the next question.
04
Teachers see the whole picture without grading a page.
It does not promise points. It promises the right next question.
THE METHOD · 方法
Retrieval practiceActive recall over passive review
Spaced repetitionExpanding intervals, SM-2
Worked examplesStep-by-step solutions
Adaptive calibrationDifficulty tuned to the individual
Blind verificationA second model checks every question
Deterministic gradingServer-side equivalence checking
Academic integrityThe scanner never answers homework
Honest AIGenerated content is labeled
Minors firstConsent gate, data access and deletion
For schoolsDPA and SLA
No adsNo data resale, ever
Five languagesEnglish · 日本語 · Español · Русский · 中文
Evaluate the engine with your own materials, run an invite-only pilot with real classes, then roll out school-wide in five languages.