Calculate24 is where users solve numerical puzzles by combining four numbers using basic arithmetic operations to reach a total of 24. Key Features: 1. Gameplay Modes: • Simple Mode: Basic arithmetic challenges. • Challenging Mode: Higher difficulty for experienced players. • Endless Mode: Continuous play with win options at 5, 10, 20, 50, or 100 levels. 2. Difficulty Levels: • Simple and Challenging Modes include 8 levels each. • Endless Mode increases in difficulty as players advance. 3. Level Progression: • Players must complete each level to unlock the next in Simple and Challenging Modes. 4. User Interface: • Players are given four numbers and operation buttons to create a result of 24. 5. Feedback System: • Success triggers a congratulatory popup. • Failure prompts a retry message.