German Speaking vs Linear Algebra

Fox Spark is a German speaking app. The point is not collecting words. It is saying a real German sentence out loud — with the right verb, the right preposition, and the accent people actually use. SPEAKING You pick a topic at your level (A1, A2, B1, or B2) and get a roadmap of ten words. First you see each word in sentences you would actually say. Then Fox Spark asks you to say that sentence in German. It watches how you build it, corrects you, and goes to the next one. You practice the same word with the usual noun–verb–preposition combos until you can just say it. PODCASTS The same speaking practice can run as a podcast. In the morning, while you get dressed, it reads the sentence in your language and gives you a beat to make it in German. There is also a short daily German news podcast. You see the words first, then listen for about five minutes — listening practice, not a dump of fast German. WHAT ELSE • Ready-made roadmaps for A1, A2, B1, and B2 — no hunting for a textbook • Job German for IT, gastronomy, healthcare, and finance, still split by level, so you can talk at work before B2 • Photograph a book, letter, or page: hard words at your level become speaking practice • Photograph a real-life object and practice der, die, or das • Austrian and Swiss word forms and pronunciation in speaking and in the podcasts. Book German is not city German. Fox Spark is free to download on the App Store. It was previously called Der Die Fox. FAQ Is Fox Spark only for der, die, and das? No. Articles stick because the same noun keeps showing up. The main work is speaking. Does it listen and correct what I say? Yes. After you see the word in real sentences, the app asks you to say that sentence in German and corrects how you build it. Can I use it with headphones in the morning? Yes. Use the speaking podcast (your language first, then German) or the daily news podcast (words first, then about five minutes).

MatrixViz makes linear algebra and computer graphics understandable by turning the maths into interactive visuals. Built for complete beginners, MatrixViz lets you drag vectors, reshape matrices, move cameras, adjust projections, and immediately see what each formula does. Every learning module connects a plain-language idea to a guided experiment, a live visual, the underlying equation, and a symbol-by-symbol explanation. LEARN LINEAR ALGEBRA VISUALLY • Explore vectors in 2D and 3D • Turn matrix columns into draggable handles • See rotation, scale, shear, reflection, and composition happen live • Understand determinants, inverse matrices, span, basis, and independence • Discover eigenvectors by finding the directions a transformation cannot turn UNDERSTAND COMPUTER GRAPHICS • Follow coordinates from object space to the screen • Inspect model, view, and projection matrices • Compare perspective and orthographic projection • Learn cameras, frustums, lighting, normals, depth, blending, winding, and culling • Experiment with Metal shader patterns using beginner-friendly visual controls LEARN BY DOING • Guided lessons paired with the real interactive modules • Always-visible formulas and plain-language symbol keys • Sliders and direct manipulation instead of code-first controls • Saved sandbox presets for returning to experiments • Adaptive layouts for iPhone, iPad, Mac, and Apple Vision Pro • Light and dark appearance options MATRIXVIZ PRO Optional MatrixViz Pro unlocks iCloud lesson-progress sync, educator presentation mode, and 1080p matrix-animation export across supported Apple platforms. MatrixViz Pro Monthly and MatrixViz Pro Yearly are auto-renewable subscriptions. Payment is charged to your Apple Account when the purchase is confirmed. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. You can manage or cancel subscriptions in Apple Account Settings. MatrixViz Pro Lifetime is a one-time purchase and does not renew. Prices vary by storefront. Privacy Policy: https://docs.google.com/document/d/1pWwcNOmDiuzImLw2JztnpJbhKFnS7unBt5iFSJZcz2w/edit?usp=sharing Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: codedspartant@gmail.com