View historical US data from the past 30 years. Track daily changes with an interactive chart. Update data automatically as the Treasury publishes new figures. Display current amount in dollars. Share statistics and charts.
Enhance IELTS preparation with real-time essay and letter scoring, spoken response analysis, and reading passage evaluation. Receive personalized feedback, corrections, and targeted advice for all test sections.
And translate text with full-text translation below original content. Import EPUB or text files for reading. Use multi-engine text-to-speech for audio playback.
Read books from a large library with over 1.3 million titles and 95,000 authors. Access free books without a subscription. Receive updates on favorite books and selected authors with a subscription.
A child education offering a wide range of children's songs, animated videos, and bedtime stories. Users can access bilingual content, classical and educational songs, and popular animated series.
Access and download high-resolution copies of classical Chinese calligraphy works. Watch instructional videos on calligraphy techniques. Use a character dictionary and switch between traditional and simplified characters.