Founded in 1946 in April 1946 by Tadao Kashio; best known for its calculators, audio equipment, PDAs, cameras, musical instruments, and watches; in 1957 Casio released the world's first entirely electric compact calculator; Casio have pioneered several advances in digital cameras, including the first consumer digital camera with an LCD screen, the first consumer 3 megapixel camera, the first true ultra-compact model, and the first digital camera to incorporate ceramic lens technology.