Mathematical engineering (also called engineering mathematics) is the application of mathematics to design, control, and analyze the various aspects of the physical world, including mechanical, electrical, and other fields. The word "mathematical" is derived from the Greek word � mathematics, meaning "the study of numbers and mathematics." The mathematical techniques that are used in engineering vary according to the field. In most cases, they are applied to the design of mechanical or electrical systems. In other fields, such as aeronautics and astronautics, they are used to design spacecraft and rockets. The mathematical techniques that are used in engineering are different from those in the other scientific fields. The most important of these is the use of probability, statistics, and calculus to design and build more efficient and reliable systems.

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