FX-991EX SAMS Scientific Calculator

Key Specifications & Features

• Functions: Features approximately 552 built-in functions.
• Display: High-resolution LCD with Natural Textbook Display, allowing mathematical expressions like fractions and roots to appear exactly as they do in textbooks.
• Advanced Calculations: Supports complex operations including 4x4 matrix and vector calculations, integration, differentiation, spreadsheet functions, and solving simultaneous or polynomial equations.
  
• Special Features: Includes QR code generation to visualize graphs and results on a smartphone or tablet.
• Power Source: Uses a dual power system (solar with battery backup) for reliability in different lighting conditions.
• Build: Constructed with durable ABS plastic keys and comes with a slide-on hard case for protection.