Calculate medication dosages with step-by-step guidance and practice exercises. Interpret drug orders and administer medications safely. Access illustrated content and purchase full version for additional features.
Learn strategies for the Defense with theoretical analysis and practical examples. Study 130 positions and 330 exercises to improve understanding of key variations. Practice moves and analyze for both white and black pieces.
Learn mental arithmetic through 59 lessons on addition, subtraction, multiplication, division, squaring, and verification. Practice with timed training sessions and compete with friends via Game Center. Track progress and improve calculation speed.
Learn chess strategies and variations of the starting from move 1. d4 Nf6. Analyze theoretical positions and solve 430 exercises. Track progress and study opening lines for both white and black.
Select problem levels from multiple difficulty categories. Practice abacus skills with targeted exercises. Track progress and adjust difficulty as needed.
Offers memory and calculation exercises to enhance cognitive skills. Users can save up to four data profiles for family use. difficulty adjusts based on accuracy, with levels increasing as performance improves. A test is available to assess progress.
Solve chess combinations with structured, theme-based puzzles. Filter by difficulty and theme. Track progress and review solutions. Export puzzles for offline practice. Sync with cloud storage for cross-device access.
Football for children and teenagers offers interactive drills to improve ball control, dribbling, and coordination. Users can follow structured exercises designed by a professional coach.