計算 けいさん 図形 ずけい処理 しょりじゃなかったです
keisan kizukei shorijanakattadesu

Noun
Desu Copula

The polite, past negative form of 計算機図形処理

1. Wasn't computer graphics.; Wasn't doing computer graphics.

Past/Perfective
Negative
Polite
Casual Register
Computing