## English

### Etymology

The idea of integer here is that the coefficient of the ${\displaystyle x^{2}}$ term is 1.

### Noun

1. (mathematics) A number (real or complex) which is a solution to an equation of the form ${\displaystyle x^{2}+Bx+C=0}$ for some integers B and C. For example 42, or 2+3i, or ${\displaystyle 1+{\sqrt {-3}} \over 2}$.