Fourth grade math learning application for students.
The app covers the first half of the fourth-grade math curriculum with 21 units and 42 sections. It features animated explanations and practice problems to deepen understanding.
Play a three-player mahjong game with unique rules different from four-player formats. North is the dummy dealer. No two to eight thousands. Adjust AI strength for difficulty. Includes inflation mahjong gameplay. Track scores and manage turns.
