It was founded in 1946, and in 1957 introduced the world's first entirely electric compact calculator. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analog and digital watches. is a Japanese multinational consumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. T elememo 30 is a function that allows you to save the names and telephone numbers of up to 30 people. Home 1 › Casio Edifice EFA-110 2747 Dual Display Telememo 30 World Time Watch 2