Comprehensive Academic Resource: This pocket-sized guide serves as an essential quick-reference tool, meticulously compiling fundamental formulas across Physics, Chemistry, and Biology.\\r\\nOptimized for Quick Revision: Specifically designed for students, it offers a clear and concise layout that is perfect for last-minute exam preparation and clarifying complex scientific concepts on the go.\\r\\nAuthored by Experts: Written by Dr. L.K. Sharma, a respected name in educational literature, the book ensures high accuracy and alignment with standard school and competitive curricula.\\r\\nUltra-Portable Design: Featuring the \\\"Sahni Mini Size 4\\\" format, its compact paperback design allows it to fit easily into any pocket or bag, making it a convenient companion for daily study.\\r\\nAffordable Quality: With 150 pages of densely packed, high-value information, this India-published guide provides an economical yet durable solution for mastering scientific equations.