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Mathematics – maths – math Mathematics is the study of numbers, quantities, and shapes When mathematics is taught as a subject at school, it is usually called maths in British English, and math in American English In this section we will formally define relations and functions We also give a "working definition" of a function to help understand just what a function is We introduce function notation and work several examples illustrating how it works We also define the domain and range of a function In addition, we introduce piecewise functions in this sectionLocus Definition A shape created by the set of points whose position satisfies a given set of rules Try this In the figure below, the small gray dots represent all the possible points on the plane They are drawn far apart so you can see them 1 Meaning of in mathematica