Explains it your way
Clear explanations pitched at whatever level you're at — from first principles to exam-ready.
Lumi explains any subject at your level, walks you through problems step by step, and remembers the conversation so you can just say “explain that again.”
I have a calculus test tomorrow. Explain the chain rule?
Think of it as peeling an onion — differentiate the outside, then multiply by the derivative of the inside.
1. Spot the outer function · 2. Differentiate it · 3. Multiply by the inner derivative
Let's try one together: what is the derivative of sin(3x²)?
No scheduling, no judgement, no “we've run out of time.” Just ask.
Clear explanations pitched at whatever level you're at — from first principles to exam-ready.
Math, code, science, languages, history, exam prep. Ask about anything you're studying.
It keeps the whole conversation in mind, so “explain that again, simpler” just works.
Tricky problems get broken down into steps you can follow — not just a final answer.
No sign-up, no setup. Hit “Start studying” and you're in a fresh session.
Paste a problem, a passage, or a half-formed question. Lumi meets you where you are.
Follow up, push back, ask for a simpler version — it remembers the context.
Free to try, no account needed. Your first explanation is one click away.
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