Buy original Casio calculators in Pakistan from Citi Books, Islamabad. We stock the models students and engineers ask for most: the new ClassWiz fx-991CW, fx-570CW, fx-350CW and fx-82CW, the fx-991ES Plus 2nd Edition, and graphing and programmable models like the fx-9860GIII, fx-7400GIII and fx-5800P.Not sure which one you need? The fx-82CW and fx-350CW suit school and Matric, the fx-991CW and fx-570CW are the usual choice for O/A Levels, FSc and university, and the graphing models are for engineering and advanced maths. Order online for delivery across Pakistan, or visit our shop in G-11 Markaz, Islamabad.