Casio MJ-120D Plus Desktop Calculator

Casio is a renowned Japanese multinational electronics company that has been a pioneer in the calculator industry for decades. The MJ-120D Plus is a popular desktop calculator model known for its 300-step check and recheck function, designed for heavy-duty office use and accounting.

Founded in Tokyo in 1946 by Tadao Kashio, the company initially gained fame for creating the world's first all-electric compact calculator. Today, Casio Computer Co., Ltd. remains the ultimate owner of the brand, maintaining its headquarters in Shibuya, Tokyo, Japan. While the engineering and design originate from Japan, manufacturing is distributed across several East Asian countries to optimize global supply chains, with major facilities located in China, Thailand, and the Philippines.