A Physics formulas reference built for JEE/NEET students and physics enthusiasts — every formula comes with its hand-written derivation, a graph, a visualized diagram, mnemonics, a worked example, and common mistakes to avoid. Includes 150+ formulas across 16 topics, a daily "Formula of the Day" with the story behind who discovered it, difficulty-tiered practice questions (easy/medium/hard) per formula, and downloadable PDF cheat sheets per chapter. Also includes an AI chatbot for doubt-solving powered by Groq + RAG.