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Three AI tutors, one for each book in the series. Each reads only its own volume, so answers stay on the page the student is actually working from.
Each volume comes with its own tutor, free with the book. Buy on Amazon, create an account, and we switch yours on.
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Each assistant answers from its own book only, and opens for readers who own it. Open full screen
Tailored explanations and feedback based on each student's pace and needs.
Step-by-step guidance through math problems, whenever they're stuck.
Adaptive problems that progress from basic to advanced as skills grow.
Quotes, mathematician profiles, quizzes, and challenges keep learning engaging.
Instant, gentle correction on mistakes with guidance to improve.
Open-ended questions that encourage reasoning and real problem-solving.
Core Skills, Intermediate Skills, Competent Skills each have their own tutor, drawing only on that volume. Ask Core Skills about a Competent Skills technique and it will say so rather than improvise , which is what keeps explanations aligned with the page a student is on.
Vibba AI is always on, guiding, correcting, and encouraging every step.