Casio Computer Co., Ltd.Ā (ć«ć·ćŖčØē®ę©ę Ŗå¼ä¼ē¤¾,Ā Kashio Keisanki Kabushiki-gaisha)Ā is a JapaneseĀ multinationalĀ electronics manufacturing corporation headquartered inĀ Shibuya,Ā Tokyo,Ā Japan. Its products includeĀ calculators,Ā mobile phones,Ā digital cameras,Ā electronic musical instruments, andĀ analogueĀ andĀ digital watches. It was founded in 1946, and in 1957 introduced the world's first entirely electric compact calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the world's first mass-produced digital watches.