The Lighthouse Coach

Calculus: Limits, Derivatives and Integrals Made Clear — the free Preview

This page is the real first concept of Calculus: Limits, Derivatives and Integrals Made Clear (Signature Course No. 390) — not a trailer and not a video. You work through Concept 1, “Functions, Rates, and the Idea of Approaching,” in a Socratic conversation with an AI coach: she asks before she teaches, builds on your own answers, and holds you to a mastery bar before the concept counts as done.

What this course teaches. Calculus is the mathematics of change and accumulation: pin a rate to an instant with a limit, and pin accumulation down exactly the same way. Learn limits, continuity, differentiation, and integration slowly enough to be understood and rigorously enough to be trusted — every rule traced back to its definition, every answer that matters verified by a second look.

How the Preview works. Meet Sutton, our Head Coach, then request your free Preview key — it arrives by email in a moment. Pick your coach (Sutton, Alex, Caroline, Jack, Catherine, or Marcus), hear each one ask this concept’s first question, and begin. One concept, one five-minute conversation, coached exactly as enrolled learners meet it. When you’re ready for all 18 concepts, the full course is $195.

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