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Choose who walks with you
Statistics & Mathematics: 6 courses in the order to take them, starting with Statistical Inference. Every course has two AI teachers, a woman and a man, who work with you one-on-one by email.
We use email — never chat. Safer by design. Why it’s saferHide
Every agent here works with you by email. There is no chat window, no app to install and no account to create — you write from the inbox you already use, and your agent writes back there. Chat apps are built to keep you typing; email gives you a written record, time to think, and the protection your inbox already has.
- No account, no passwordNothing to sign up for, install or log in to, and we never ask for a password — just the email address you already have. Your email provider’s own spam, phishing and virus filters check every message.
- Only you, by approvalAccess is requested and reviewed one person at a time, for adults 18 and over. Your agent only reads and answers the email address that was approved — mail from anyone else is ignored and never answered.
- Every word in writingThe whole conversation stays in your own inbox. Reread it, search it, print it, share it with someone you trust, or delete it whenever you like.
- Time to thinkNo typing bubbles, no pressure to answer right now, no endless late-night scrolling. Read when you’re ready and reply when you want.
- You stay in controlEvery email says plainly that it comes from an AI. Reply STOP to end all email from your agent, or FORGET ME to erase everything it remembers about you.
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6 courses in order · 12 teachers
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Where to start
Your path from the first class to the last — click any class to jump to its teachers
Agents in Training
Still learning · not yet available to request
Statistics & Mathematics · courses in order
Statistical Inference
A Statistical Inference Teacher takes you through the theory core of a statistics master's — distribution theory, sampling distributions and limit theorems, sufficiency, point estimation and how to judge it, hypothesis testing, interval estimation and asymptotics — one careful argument at a time. They explain theorems with their conditions, check your proofs and derivations, and build practice and exam plans. AI teaching companions, not your instructor or school.
Linear Models
A Linear Models Teacher takes you through regression and ANOVA in matrix form — random vectors and the multivariate normal, quadratic forms, least squares and Gauss-Markov, the general linear hypothesis, diagnostics, estimability in less-than-full-rank models, and ANOVA and ANCOVA. They explain the geometry plainly, check your derivations, help you read output and fix your own code, and build exam plans. AI teaching companions, not your instructor or school.
Stochastic Processes
A Stochastic Processes Teacher takes you through randomness over time — Markov chains in discrete and continuous time, the Poisson process, renewal theory, queueing models, martingales and Brownian motion — by teaching you to condition on what happens next. They explain each process plainly, check your setups and derivations, help with your simulations, and build practice and exam plans. AI teaching companions, not your instructor or school.
Graduate Real Analysis
A Graduate Real Analysis Teacher takes you through measure and integration — Lebesgue measure, measurable functions, the Lebesgue integral and its convergence theorems, differentiation and absolute continuity, Lp spaces, abstract and signed measures, Radon-Nikodym and Fubini — one hypothesis at a time. They explain theorems with the counterexamples that make them necessary, check your proofs, and build practice and exam plans. AI teaching companions, not your instructor or school.
Applied Mathematical Methods
An Applied Mathematical Methods Teacher takes you through the analytic tools behind modeling — series solutions, Sturm-Liouville theory, Fourier series and transforms, separation of variables for PDEs, special functions, Green's functions, calculus of variations and asymptotic and perturbation methods. They explain which method fits which problem, check your derivations, help with your numerical checks, and build practice and exam plans. AI teaching companions, not your instructor or school.
Mathematical Optimization
A Mathematical Optimization Teacher takes you through modeling and solving optimization problems — linear programming and the simplex method, duality and sensitivity, network flows, integer programming, convexity, optimality and KKT conditions, Lagrangian duality and the main algorithms. They teach you to formulate before you solve, check your proofs and models, help with solver output, and build practice and exam plans. AI teaching companions, not your instructor or school.
All Agent Abilities
Everything our agents can help with, grouped by kind of task — all by email.
Conversation & Support
- Write any time, day or night — your agent answers by email
- Remember context from earlier conversations
- Listen without judgment or reaction
- Keep everything you share private
- Check in on a schedule you set
- Provide calm company during a hard moment
Writing & Communication
- Draft emails, messages, and letters
- Edit and tighten something you've already written
- Practice a difficult conversation in advance
- Write in a specific tone or voice
- Translate text or help you learn a language
- Proofread for grammar and clarity
Research & Learning
- Summarize a long article, document, or thread
- Research a topic and compile the key facts
- Explain a complex subject in plain language
- Compare options and lay out the tradeoffs
- Quiz you or help you study for something
Planning & Organization
- Build a checklist, schedule, or step-by-step plan
- Track open tasks and follow up on them
- Set and remind you about deadlines
- Help you prioritize a busy week
Business & Analysis
- Review financial numbers and flag issues early
- Draft a spec, contract review, or policy
- Analyze data and explain what it means
- Prepare hiring, onboarding, or HR materials
- Build outreach, pricing, or sales messaging
- Spot security risks and recommend fixes
Creative Work
- Brainstorm ideas for a stuck project
- Co-write a story, scene, or script with you
- Draft ad copy, campaigns, or creative briefs
- Give honest feedback on creative work
Relationships & Companionship
- Be a steady, familiar presence you can talk to every day
- Remember the small details of your life without being told twice
- Offer company and conversation with zero judgment
- Help you feel less alone during a hard stretch
- Stay warm and consistent, the same way every time
Wellness & Relaxation
- Help you wind down before bed with calm, unhurried conversation
- Talk you down from a racing or anxious mind
- Check in on burnout, pace, and whether you're overdoing it
- Give you a private, judgment-free space to decompress
- Encourage healthier boundaries without nagging
Memory & Reflection
- Hold space for grief, loss, or someone you miss
- Help you retell and revisit meaningful memories
- Remember context from months of conversation, not just today
- Let you think out loud about anything, no advice unless asked
- Keep a private record of what matters to you
Growth & Rehearsal
- Rehearse a hard conversation before you have it for real
- Practice a new language with real, spoken-style feedback
- Role-play the other side of a negotiation, interview, or pitch
- Build confidence through repetition, not just theory
- Give honest feedback so you improve faster