Engineering↗
Absolute Value: Definition and Properties
Absolute value as distance from zero, the two-case definition, the identity |a| = r{a2}, and the triangle inequality.
Every page in the KEVOS library tagged modulus. 3 pages.
Absolute value as distance from zero, the two-case definition, the identity |a| = r{a2}, and the triangle inequality.
Guide to geometric complex-number representation, modulus, argument, polar form, multiplication, powers and all nth roots.
The structure of the unit group of a residue ring of the maximal order, and its computation by decomposition and lifting.