Unlock the world of mathematics with this concise guide that breaks down 15 essential concepts into bite-sized, seven-minute lessons. Each chapter offers clear explanations and real-world applications, covering topics from algebra and calculus to geometry and statistics. Designed for both beginners and those looking to refresh their knowledge, this book makes complex ideas accessible and relatable, helping you build a solid foundation in mathematical thinking. Whether you're studying for exams, enhancing your problem-solving skills, or simply curious about the beauty of numbers, this quick and engaging read will empower you to embrace mathematics with confidence.