eigenCalc vs Mathesis

Matrix Calculator that computes eigenvalues and eigenvectors as well as SVD, and that has been tested with 228x228 matrices.

Mathesis transforms curiosity into knowledge. Pick a topic you love — Space, Ancient Egypt, History, Quantum Physics, AI — and dive deep with: BITE-SIZED LESSONS Learn in 2-3 minute lessons with beautiful visuals. Complex topics made simple and memorable. SMART FLASHCARDS Spaced repetition ensures you remember what you learn. Review exactly when you need to. CHALLENGING QUIZZES Test your knowledge with carefully crafted questions. Instant feedback and explanations. VISUAL TIMELINES See history unfold chronologically. Tap events for details. TOPICS AVAILABLE: Solar System Space Exploration Ancient Egypt Ancient Rome World War I World War II Physics Chemistry Biology Quantum Physics Economy Art History Psychology Color Theory Botany Cosmology Engineering Artificial Intelligence Computer Science Business Fundamentals Mathematics Geography Archaeology Zoology Agriculture Philosophy -More coming soon! WHY MATHESIS? 100% Offline — Learn anywhere, no internet needed No Accounts — Open and start immediately No Subscriptions No Ads — Ever Privacy First — Your data stays on your device Multilingual — English, 简体中文, 繁體中文, Español Perfect for: Curious minds who want to learn something new Students looking for engaging study tools History and science enthusiasts Trivia lovers who want deeper understanding The name "Mathesis" comes from the ancient Greek μάθησις, meaning "the act of learning." That's exactly what this app is about — not just consuming facts, but truly understanding topics you care about. Start your learning journey today.