Explore historical events with multimedia content including paintings, documents, and first-hand accounts. View timelines, watch videos, and share content via AirPlay. Email or print text and presentations.
Read graded tailored to JLPT levels. Explore diverse topics written by native authors. Track comprehension with built-in quizzes. Practice vocabulary and grammar through context. Adjust reading difficulty for personalized learning.
Calculate solutions by selecting from common systems. Input desired volume, pH, concentration, and stock solution concentrations. Determine exact volumes of conjugate acid and base to mix.
