演算 えんざん記号 きごう省略 しょうりゃくじゃないです
enzankigōshōryakujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 演算記号省略

1. It's not omitting the operator.; It's not a simplification of the calculation.

Negative
Polite
Casual Register
Computing