Mathematics is a discipline that studies numbers, quantities and shapes. It includes concepts such as algebra, geometry, trigonometry, calculus and statistics. Mathematics is used in many fields, including science, technology, engineering, finance, and economics. Physics is a branch of science that studies the nature and avatar properties of matter and energy. It includes concepts such as mechanics, electricity, magnetism, optics and thermodynamics. Physics is used to understand the world around us, and it is applied in many fields, including engineering, medicine, and industry. Chemistry is a science that studies the composition, structure, properties and reactions of matter. It includes concepts such as organic chemistry, inorganic chemistry, analytical chemistry and biochemistry. Chemistry is used in many fields, avatar including medicine, industry, agriculture and the environment. In short, mathematics and physics and chemistry are essential subjects for understanding the world around us and for succeeding in many professional fields.