Visual Math 4D vs Vocabulary Flashcards

Visual Math 4D is a graphical calculator that allows you to visualize and solve your mathematical equations. It supports various types of equations, such as polar, spherical, parametric and implicit equations, which can be visualized and animated in 2D and 3D. You can also plot and animate vector fields in 2D and 3D. Features: - solve equations - plot cartesian functions with intersections - plot polar- and spherical functions - plot parametric equations in 2D and 3D - plot complex functions (draw real part & imaginary part) - plot vector fields in 2D and 3D - plot implicit equations in 2D and 3D - plot contour maps ins 2D and 3D - support for complex numbers - vectors & matrices - truth- and value tables - trigonometrical and hyperbolic functions - piecewise-defined functions - logarithmic functions - logical & binary operators - definite integral - n-th derivations - statistical functions (nPr, nCr, rand..) - physical and mathematical constants with their units - animate variables - share content with other apps - no network connection required - and a lot more The app is easy to use and helps students and engineers to visualize and solve their mathematical equations.

Choose from 11 languages – English, German, Spanish, French, Italian, Dutch, Portuguese, Russian, Turkish, Ukrainian and Latin – and learn efficiently with personalized vocabulary collections! Vocabu lets you create your own vocabulary collections with instant in-app translations, making language learning truly personalized and effective. Import existing word lists from CSV, Anki, or Quizlet (web) to get started even faster. More than 40 professionally created vocabulary packs cover topics such as Leisure & Sports, Travel, and Business & Finance – with 4,300+ words and authentic example sentences. Latin learners get 6 dedicated core-vocabulary sets on top. **Proven 6-Level Spaced Repetition** Vocabu sorts every card into one of 6 levels. A correct answer moves the card up and pushes the next review further out – from minutes to weeks. That growing gap is what moves words into long-term memory. **Personalized Vocabulary Collections** Create your own vocabulary lists tailored to your needs – unlimited and effortless. Translate words automatically within the app, and add your own example sentences to maximize learning effectiveness. **AI-Powered Flashcard Generation** Just enter a topic, and Vocabu instantly generates word lists, translations, and examples — tailored to your needs. **AI Vocabulary Scanner** Scan vocabulary directly from photos, screenshots, textbooks, or handwritten notes. Vocabu's AI recognizes the words, extracts what's worth learning, and creates ready-to-use flashcards with translations and examples. **Audio Player for Your Whole List** Have an entire word list read aloud – with adjustable speed, pauses between words, shuffle, repeat, and example sentences. Perfect for studying on the bus or during a walk. Tap any card during playback to jump straight to it. **Perfect for Beginners and Advanced Learners** Look at the word, think of the answer, and flip the card to check. Got it right? Swipe right! Unsure? Swipe left to practice again later. Want to drill without touching your levels? Use Practice or Quiz mode. **Adapt the app to your language level (A1–C2)** Choose your current level based on the CEFR and get vocabulary collections and content tailored to your proficiency. **Widgets and Lock Screen** Add Vocabu to your Home Screen, Lock Screen, or Control Center to see at a glance how many cards are waiting – and start today's session with one tap. **Sync Your Vocabulary and Progress** Your words and learning progress automatically sync across all your Apple devices – iPhone, iPad, and Mac. **Track Your Personal Learning Progress** Your progress is saved automatically and displayed clearly in the Progress screen. Set daily learning goals and keep your streak alive in a motivational calendar! All Features at a Glance • Learn effectively with the proven flashcard system (6 levels) • Create unlimited, personalized vocabulary collections • Instant in-app translations for fast word creation • AI Vocabulary Scanner – scan photos, screenshots & handwritten notes • Audio player for the whole list, with speed, pauses and shuffle • Import vocabulary from CSV, Anki, and Quizlet (web) • Export any collection as CSV – your data stays yours • Share a collection via link – friends import it with one tap • Adapt content to your level (A1–C2, CEFR-based) • Track learning progress, daily goals and streaks • Add your own example sentences to any word • 40+ thematic vocabulary packs with 4,300+ words and authentic examples • Widgets for Home Screen, Lock Screen and Control Center • High-quality audio with natural pronunciation • Offline learning – perfect for studying on the go • Automatic sync across iPhone, iPad, and Mac Have suggestions or spotted any errors? Feel free to contact me at daniel@styrianapps.com – I'm looking forward to your feedback! Enjoy learning with Vocabu! Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/