For sale: Casio fx-991ARX ClassWiz calculator. Fully functional ✅ The screen is clear and all buttons work. Supports Arabic. Suitable for university and high school (Math, Physics, Engineering). Lightly used with very minor signs of use. Reason for selling: No longer needed. (Price is reasonably negotiable) -(: Casio, calculator, scientific calculator, fx991ARX, ClassWiz, university calculator, high school calculator, engineering calculator, CASIO 991