the modulus of r is the square root of x^{2}+y^{2}+z^{2}.
It should be noted that the modulus of a vector is a scalar.
Modulus is also a synonym for:
In materials science modulus (or elastic modulus) is a measure of the stiffness of a material. See also Young's modulus
In computer programming, the modulus operator gives the remainder of integer division, ie modular arithmetic. Mathematicians tend to call this modulo, for example:
That's because 10 is here the modulus of the congruence, and modulo (a Latin ablative) stands for 'to the modulus'.
Computer programmers will write:
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