Model population changes using demographic inputs like fertility rates and migration. Visualize data through dynamic charts. Analyze factors including age at first birth and population structure shifts. Export and compare simulation results.
Learn and test knowledge of Japanese prefectures, capitals, and map positions. Practice memorization with a simple interface. Take quizzes to achieve full marks. No keyboard input required for kids.
Read curated daily articles on tech and business trends. Practice speaking by discussing article opinions with AI, with instant Japanese-to-English translation available. Get real-time feedback and corrections on English proficiency.