Casio FX-991ES PLUS 2nd Edition Scientific Calculator - Natural Textbook Display | FX-991ESPLUS2BUWDT(TH)

The Casio FX-991ES PLUS 2nd Edition (FX-991ESPLUS2BUWDT(TH)) is a powerful scientific calculator equipped with Natural Textbook Display (Natural-V.P.A.M.), showing fractions, roots, and expressions exactly as they appear in textbooks. It is one of the most advanced non-programmable calculators in the Casio lineup, ideal for high school, university, and professional use. With over 417 built-in functions, it supports advanced mathematics, engineering, and science applications.

Key Features:

• Natural Textbook Display (Natural-V.P.A.M.) for intuitive input/output
• 417 functions covering algebra, trigonometry, calculus, probability, statistics, and more
• Multi-replay function to edit and recall previous calculations
• Matrix and vector calculations supported
• Solar + battery powered for reliable operation
• Durable keys and lightweight design for daily academic and professional use