Sharp EL-520X Scientific Calculator

The Sharp EL-520X is a sophisticated scientific calculator featuring 'Advanced D.A.L.' (Direct Algebraic Logic), which allows users to enter expressions exactly as they are written. This product is a hallmark of Sharp Corporation, a company founded in Tokyo, Japan, in 1912. Historically, Sharp was a pioneer in electronic calculators, introducing the world's first all-transistor desktop calculator in 1964.

Today, the brand is under the majority ownership of Foxconn (Hon Hai Precision Industry Co., Ltd.), a Taiwanese multinational electronics contract manufacturer that acquired a majority stake in 2016. While the brand carries a Japanese heritage and is designed by Japanese engineers, the physical manufacturing of retail units like the EL-520X primarily takes place in China to leverage large-scale production facilities.