Question

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what is the meaning of math?

Answer 1

Mathematics means to learn or to study or gain knowledge.

Answer 2

the science of numbers and their operations (see OPERATION sense 5), interrelations, combinations, generalizations, and abstractions and of space (see SPACE entry 1 sense 7) configurations and their structure, measurement, transformations, and generalizations

Algebra, arithmetic, calculus, geometry, and trigonometry are branches of mathematics.