Calculate celestial navigation using the Law of Cosines method. Input Local Hour Angle, declination, and latitude to determine altitude and azimuth. Track calculations and review results for accuracy.
Play a solitaire card game with three pyramids of face-down cards and ten face-up cards. Move cards from the tableau to the waste pile by matching card values. Clear all cards from the tableau to win. Use the stock to replenish the waste pile.
Practice with unlimited questions across 12 categories and 50 subcategories including addition, subtraction, , algebra, and geometry. Assign homework, track progress, and view child performance reports.