Numerade

Numerade is built around a core insight: many STEM students understand concepts better by watching an expert work through a problem than by reading a solution in text. The platform pairs a massive video solution library with an AI tutor that can address any STEM question.

500,000+ Video Solutions

Numerade's library contains over 500,000 video solutions to textbook problems — covering popular STEM textbooks from Calculus by Stewart to Organic Chemistry by Wade. Each solution is a short video (2-10 minutes) of an expert working through the problem step-by-step with narration.

Search by textbook, chapter, and problem number to find the exact problem you're stuck on. The video shows every step — not just the answer — so you understand how to approach similar problems.

AI Tutor (Ace)

Ace is Numerade's AI tutor: upload or describe a problem and get an immediate step-by-step solution with explanation. Ace shows its work — not just the final answer — and can answer follow-up questions about why each step was taken.

Ace handles: algebra, calculus, differential equations, linear algebra, physics, chemistry (general and organic), biology, and statistics.

Concept Videos

Beyond problem solutions, Numerade has concept explanation videos: short, focused videos explaining specific topics (the chain rule, ionic bonding, cell mitosis). Useful for understanding concepts before tackling problems.

Bookmarking and Study Sets

Students can bookmark specific videos and problems, organize them into study sets, and review them before exams. The platform tracks watched videos and allows notes.

Coverage

Math: Pre-algebra through Multivariable Calculus, Linear Algebra, Differential Equations Physics: Conceptual, Algebra-based, and Calculus-based (AP, college) Chemistry: General, Organic, Biochemistry Biology: AP Biology, General Biology, Anatomy

Pricing

Numerade Free: limited video access per month. Numerade Boost: $9.99/month (unlimited videos, AI tutor access, offline downloads). Available on iOS, Android, and web.