Casio ClassWiz FX-991CW Advanced Scientific Calculator – Dual Powered & Exam-Approved – Best Selling Product in UK
₨ 21This Casio ClassWiz FX-991CW advanced scientific calculator features a high-resolution display and over 540 functions for mathematics, engineering, and science students. The dual power system combines solar energy with a backup battery, while JCQ approval makes it suitable for UK exams.