Learn vocabulary using with images, text, and sound. Practice through modes like Study, Quiz, and Spelling. Review cards in Slide Show or Matching format. Test memory with Memorize mode. Re-arrange words to enhance retention.
Track sunrise and sunset times globally. Determine civil, nautical, and astronomical twilight periods. Calculate day length and solar transit. Monitor moonrise and moonset times. View phase and illumination levels.
View live city updates and event news in the Live Feed. Browse and add events to your calendar or share them with others. Receive push notifications for event updates and important news.
The app covers four energy conversion cycles for energy efficiency studies. It presents generic models of steady state energy devices with constant state properties for analysis.