Memorize foundational facts in seven subjects with interactive tutorials and enhanced graphics. Access Classical Acts & Facts® timeline and U.S. presidents content. Review grammar-based material through art and song. Track progress with structured .
Calculate missing sides of right-angled triangles using the Pythagorean theorem. Input two sides to find the third. Save calculations in a history. Share complete solutions. Support for entering fractions. Remove ads.
Challenge allows users to repeat sequences of lights and sounds. Choose between classic, reverse, or random modes. Adjust speed and starting level. Track progress through increasing difficulty.
Access sermons via online or offline playback. Browse by topic, Scripture, or title. Stream live services and receive push notifications. View church information and services. Supports English, Spanish, and Chinese.
Test and improve by matching fruit pairs on flipped cards. Play in free or timed mode with no time limits. Track progress and compete against self or others. Sync across devices for continued play.
Read and study rules with interactive lessons and quizzes. Practice with 2500+ exam questions. Track progress and take tests anytime, anywhere. Search for missed rules and improve knowledge.
Calculates expressions as you type and stores answers for reuse. It includes four tabs with distinct colors. Users can multiply numbers, calculate tips, and find square roots without resetting. Graph 2D and 3D functions with a single touch.
Memorize of pi using color and musical notes for enhanced recall. View numbers in chunks with customizable pages and lines. Compete on leaderboards and earn achievements. Practice daily for improved retention.
Calculate of geometric shapes with step-by-step explanations. Input dimensions and select shape type. View detailed calculation steps. Save results for later reference. Share solutions via email or messaging.
Users can assemble and debug assembly code using a simple interface with 7-segment LEDs and buttons. Run programs on an emulated 8-bit processor. Solve programming puzzles and explore hardware components used in early home computers.
A game for ages 2 to 5, featuring a haunted mansion environment. Users explore rooms, hunt for hidden ghosts, and memorize their positions. The includes interactive elements to enhance skills through gameplay.