View celestial positions including sun and moon overhead locations, daylight coverage, and moon phases. Track rise and set times, parallactic angle, and lunar liberations. Display day and night maps in an azimuthal projection.
Explore a spiral visualization of LDS from 1836 to the present. Scroll through time using a slider or rotate the spiral with finger gestures. Search for by name and tap images to view detailed information.
An interactive bedtime featuring journey to find his friend Bear. Learn words and values through a moral tale. Explore offline content with interactive elements. Engage with animated characters and sound effects.
Tap the screen to rotate gravity clockwise and guide the white box to hit the red goal. Adjust gravity force in select levels to difficulty. Track and beat personal speed-run records.
Play card games in pairs with an intuitive interface. Take tricks to reach a score of 10 first. Choose trump suit in the first round. Advanced AI opponents and balanced rules for fair gameplay.
Learn to read analog and digital clocks. Practice with exercises and quizzes. Hear in multiple languages spoken by native speakers. Track progress and receive feedback. Share achievements with others.
Play multiplayer games with two modes for four players. Create private tables to play with friends. Teams sit opposite each other and take turns playing cards from a 41- deck with four suits. Track scores and compete online against players worldwide.
Practice identifying and using marks like commas, semicolons, and quotation marks. Learn word types and their correct usage. Track progress through interactive lessons and quizzes. No in- purchases required.