CASIO SCIENTIFIC CALCULATORS FX-991ES PLUS 2ND EDITION

CASIO SCIENTIFIC CALCULATOR FX-991ES PLUS 2ND EDITION
An upgraded version of the popular FX-991ES, packed with advanced features for precise scientific and mathematical calculations.

• Offers 552 functions, including calculus, statistics, algebra, and matrix operations
• Multi-line display with Natural Textbook Display (NTD) for easy reading and input of complex equations
• Solar-powered with a battery backup for uninterrupted use
• Features 40+ scientific constants and the ability to handle complex numbers and integration

Ideal for students, engineers, and professionals who need a reliable and powerful calculator for exams, research, or daily tasks.