Casio fx-991ES Plus 2 Scientific Calculator

The Casio fx-991ES Plus 2 is an advanced scientific calculator featuring Natural Textbook Display for clear mathematical expressions. It offers comprehensive mathematical functions with a high-resolution dot matrix screen and ergonomic plastic keys for comfortable use. Key features: • Natural Textbook Display shows expressions as they appear in textbooks • 417 built-in mathematical functions • 10-digit mantissa + 2-digit exponential display • Solar powered with battery backup • Multi-replay function for formula recall and editing • Matrix and vector calculations capability • Statistical calculations with list-based data editor The calculator includes advanced functions like trigonometric calculations, logarithms, exponential operations, and complex number handling. It features a durable slide-on hard case for protection. The device measures approximately 161.5 x 77 x 13.8mm and weighs about 105g. Ideal for students and professionals in mathematics, science, and engineering fields.