Learn about emotional intelligence through lessons and exercises. Practice identifying micro-expressions. Compete with others in real-time challenges. Receive feedback on recognition accuracy. Track progress over time.
Practice characters with writing, reading, and pronunciation
Learn characters with structured lessons based on the MeiZhou textbook. Practice writing, reading, and pronunciation. Receive instant feedback on stroke order accuracy. Correct common character mistakes like "九, 为, 方, 入, 门".
Calculate electromagnetic force (EMF) for a DC based on input parameters. Enter speed, poles, magnetic flux, conductors, and parallel paths. Supports both lap and wave windings. Works on iPhones and iPads.