TopOpt vs Input

Use your iPad/iPhone to perform structural optimization by the topology optimization method ! Move loads and supports and watch the design evolve to a new minimum. Experiment with different volume fractions and grid sizes and see what happens.

Start understanding Polish naturally — through stories, dialogues, and real-life context. Our approach is based on the comprehensible input method — the brain absorbs language much more easily when you hear understandable speech in real situations. Instead of boring exercises: • audio podcasts for A1–B1 learners • real-life stories and dialogues • AI conversations after listening • word and phrase translations with examples • listening comprehension practice • gradual exposure to natural Polish • learning without overwhelming grammar This app helps you not just study the language, but start feeling it. You naturally get used to structures, expressions, and phrases inside real context — the same way language is acquired in real life. What’s inside Podcasts for learning Polish Listen to stories and dialogues adapted to your level. New words are explained through context, not dry definitions. AI Practice After each podcast, you can discuss what you heard with AI — by text or voice. This helps you start speaking and using new phrases faster. Neuro Lessons Lessons based on a neuroscience-inspired method that helps you understand language structure through logic and comparison with your native language. Word & Phrase Translations Tap unfamiliar words and get: • translations • explanations • usage examples • similar phrases Natural Language Acquisition The more understandable content you listen to, the more naturally your brain starts recognizing the language. Progress Tracking Continue listening where you left off and track your learning activity. Who this app is for • beginners • people tired of memorization • learners struggling with listening comprehension • anyone who wants to speak naturally • podcast and content-based learning lovers Start understanding Polish naturally Listen. Understand. Absorb. Speak. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/