Remember back to the days of the 80s when these were banned in school and were confiscated on a regular basis. No scientific stuff here, just a plain and simple old fashioned calculator with a seven segment display 舊計算器 80s、equipment、maths、pupils、retro、school、students、technology、Verbs 80年代、設備、數學、學生們、復古、學校、學生們、技術、動詞 資料來源：openclipart ( https://openclipart.org/ )
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