CASIO ORIGINAL SCIENTIFIC CALCULATOR FX-991EX

The Casio fx-991EX is a high-performance scientific calculator with 552 functions, including advanced statistics, matrix and vector calculations, integration, differentiation, and more. It features a high-resolution LCD screen, a spreadsheet function (5 columns x 45 rows), and QR code generation for graphical data. Its user-friendly interface and quick calculations make it perfect for students and professionals. Powered by solar and battery, it supports up to 9 variables and offers efficient performance for exams and complex math tasks.