Play a relaxing puzzle game by sliding bubbles to them into higher numbers. Connect same numbers in any of eight directions for a multiple of 2 result. Track score as sum of linked numbers. Reach target for level completion.
Practice exam questions with detailed explanations. Review subject-specific content including math, science, and verbal reasoning. Track progress and identify weak areas. Access study guides and practice tests for all exam sections.
Explore interactive physics simulations to learn about stellar evolution. Navigate cosmic environments to manipulate stars and avoid hazards. Complete challenges to form holes. Access a two-hour documentary on holes hosted by an astrophysicist.
Learn Chinese characters with 1200 essential words, including pronunciation and writing. View real-life pictures with hidden options. Tap to hear standard pronunciation for characters and phrases. See stroke order with numbered steps and arrows.
For aphasia patients. Includes 350+ preloaded cards and sentences. Allows custom content addition. Targets receptive and expressive language. Records sessions and tracks progress. Offers engaging games for home or clinical use.
Transform audio by transferring the temporal structure of a source sound to a target sound while preserving its spectral properties. Apply spectral hybridization using envelope preservation and phase-sync processing.
Access military doctrines, regulations, and training guidelines. Search for specific content, bookmark sections, and share notes. Sync with other devices for offline access. View updated versions and receive notifications for changes.
Play -based puzzles by combining given numbers using math operations to reach a target. Track progress over time and by day of week. Compete with others through leaderboards. Adjust difficulty settings for varying challenge levels.
Calculate cumulative grade point average () using a custom grading scale. Set target and credit goals. Add, edit, or remove courses. View individual semester summaries and total credits. Support for failed, dropped, or withdrawn courses.
Train time by tapping targets quickly and accurately. Play short challenges to test speed. Track progress over time. Improve reflexes through repeated practice. No registration required.
Solve puzzles to expand vocabulary and improve problem-solving skills. Find hidden words in cloud formations. Earn coins by hitting target words in Bullseye mode. Collect coins in Gold Rush mode. Track progress and unlock new levels.
For the exam with access to a of pre-eliminated questions. Topics include Air Law, AGK Systems, Mass & Balance, and Meteorology. View question sets and review answers without internet connection. Pay once for complete lessons and access all content.