- Expression (mathematics) (Wikipedia)
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context. Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.
- Aquila (constellation) (Wikipedia)
Aquila is a constellation on the celestial equator. Its name is Latin for ’eagle’ and it represents the bird that carried Zeus/Jupiter’s thunderbolts in Greek-Roman mythology.