👉 Metres math, a branch of mathematics developed by the French mathematician Jean-Robert Argand in the early 19th century, focuses on the properties and operations of complex numbers expressed in terms of their modulus (or magnitude) and argument. It generalizes the concept of real numbers to include complex numbers, which are expressed in the form a + bi, where 'a' is the real part and 'b' is the imaginary part. In metres math, the fundamental unit of measurement is the metre, but unlike in standard complex analysis where 'i' represents the imaginary unit squared as -1, in metres math, 'i' is often defined as the square root of -1 but with a different interpretation, typically as i = √(-1) / √2. This leads to a unique algebraic structure where complex conjugates behave differently compared to real numbers, and operations like addition and multiplication follow specific rules that differ from those in standard complex analysis. Metres math finds applications in various fields, including signal processing, control theory, and electrical engineering, where it provides a powerful framework for analyzing periodic phenomena and systems.