Geometry and Coordinates At Differential Geometry, we prefer shape to symbolic description. Sometimes, however, symbolic…
Tag: mathematics
Complex Numbers
Formally, a complex number is an expression \(a + bi\), with \(a\) and \(b\) real…
Circles, Trigonometry, and Groups
Circles In a flat plane, fix a point \(c\) and a positive real number \(r\). The circle…
Functions, Coordinates, and Graphs
Functions In mathematics, a function represents a causal relationship between “input” and “output.” For example,…