CASIO INDIA, The Official Website. Our lineup filled with Check Calculators, Water-Proof Calculators, and Colorful Calculators. Calculators in India are synonymous with Casio; Calculators means Casio. We made the worlds first all-electric compact calculator 14A in 1957 and since then we has been making unique calculators for offices, shops & students. Our portfolio includes desktop check and correct calculators, stylish and colorful calculators, scientific & graphic calculators, portable pocket calculators, and printing calculators. Casio MJ-120GST, JW-200SC and fx-991EX Classwiz are very unique calculators. Casio calculators are environment friendly and made as per ROAS and ISO compliance. Our check and correct calculator range is made from recycled plastic.