The bestselling series by Arihant, ''All-in-One,'' has been revamped and revised specifically for the students studying with the ISC Curriculum to confer complete study, practice, and assessment for the ISC Exams 2025.In the series, the present book for class 12 on mathematics serves as a comprehensive guide tailored for students following the ISC Curriculum. The book encompasses concise and thorough theoretical material aligned with the latest syllabus, offering students the necessary guidance to study effectively and excel in their examinations. Each chapter begins with a comprehensive list of topics, followed by simplified theory, which includes definitions, facts, and figures. Our commitment to clarity is further emphasised through ''Illustrative Figures,'' incorporating diagrams that bring concepts to life. To reinforce your understanding, each chapter features the ''topical exercises,'' and the ''chapter practice,'' which are designed to assess your grasp of related concepts. Additionally, the book features an additional but informational matter related to the given concept, and Sample Question Papers aligning with the most recent syllabus and examination pattern. This all-encompassing guide is designed to facilitate a holistic and effective learning experience for mathematics students at the 12th-grade level.