Access exam practice questions in English and Chinese. Review structured lessons in Mandarin. Track progress with built-in quizzes. Receive vocabulary support for English learners. Sync with in-person training materials.
Learn solid geometry by creating cross-sections of polyhedra using a defined plane. Build cross-sections by tapping three points on polyhedron faces. Explore regular polyhedra, pyramids, prisms, anti-prisms, and Archimedean solids.
Take photos and record live photos and videos. Capture 48MP images on compatible devices. Choose from multiple aspect ratios. Use serial shot mode by pressing and holding. Support multi- setup. Customize skin. Share photos directly via URL scheme.