Casio Classwiz Fx 991EX Scientific Calculator

Casio Classwiz Fx 991EX Scientific Calculator. features a high-resolution display for more data on display, the Online QR code visualization to help you do more via Graphical representation, numerical representation, or taking help to do more. This Scientific Calculator also comes with High-resolution LCD, Solar + Battery, Natural Textbook Display, Intuitive icon display, Interactive format. You can easily understand the key notation.