noun which may take the genitive case particle 'no'
Used as a no-adjective to describe devices, systems, or methods that are electronic rather than mechanical or manual.
This dictionary is electronic and very convenient.
electronic formula
Physics term; refers to the representation of electron arrangement in an atom or molecule, as in 電子配置.
See also: 電子配置
I wrote the electronic formula in chemistry class.
electronic desk calculator
Compound of 電子 (electron; electronic) and 式 (style; formula). The derivation is straightforward, but the exact historical origin is uncertain.