noun
mixed notation
In computing, a notation that combines multiple representation systems, such as mixing symbolic and numeric forms.
このプログラミング言語では、複合表記法を使って数式を簡潔に書ける。
In this programming language, you can write mathematical expressions concisely using mixed notation.
Compound of 複合 (fukugō, 'compound' or 'composite') and 表記法 (hyōkihō, 'notation' or 'representation method').