The Fx 991ES Plus 2nd Edition Calculator

is a highly versatile scientific calculator designed for students and professionals. It features a natural textbook display (Natural-VPAM), allowing users to input and view mathematical expressions as they appear in textbooks. With over 417 functions, it supports calculations in algebra, trigonometry, statistics, calculus, and complex numbers. The dual power source (solar and battery) ensures reliable performance. Its intuitive design includes a high-resolution display, durable keys, and quick access to essential functions like matrix operations, integrals, and equation solving. Lightweight and compact, the fx-991ES Plus is a trusted tool for academic and engineering applications.