Modulus

Modulus is the diminutive from the Latin word modus meaning measure or manner. It, or its plural moduli, may refer to the following:

Physics and engineering

• Moduli (physics), scalar fields for which the potential energy function has continuous families of global minima
• The measurement of standard pitch in the teeth of a rotating gear
• Bulk modulus, a measure of compression resistance
• Elastic modulus, a measure of stiffness
• Shear modulus, a measure of elastic stiffness
• Young's modulus, a specific elastic modulus
• Casting modulus used in Chvorinov's rule.

Computing

• Modulus (digital counter), the number of states in a counter's count sequence
• Modulo operation (a % b, mod(a, b), etc.), in both math and programming languages; results in remainder of a division

Mathematics

• Modulus, the absolute value of a real or complex number ( Template:Abs )
• Modulus (modular arithmetic), base of modular arithmetic
• Similarly, the modulus of a Dirichlet character
• Moduli space, in mathematics a geometric space whose points represent algebro-geometric objects
• Conformal modulus, a measure of the size of a curve family
• Modulus of continuity, a function gauging the uniform continuity of a function
• Similarly, modulus of convergence
• Modulus (algebraic number theory), a formal product of places of a number field
• The modular function in the theory of Haar measure, often called simply the modulus

Other uses

• Modulus (gastropod) a genus of small sea snails
• Modulus Guitars, musical instrument manufacturer
• Modulus robot, a household robot

See also

• Module (disambiguation)
• Modulo (disambiguation)

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