CASIO FX-991LACW-PK CLASSWIZ SCIENTIFIC CALCULATOR

Technical Specifications

• Display: High-resolution dot matrix LCD with "Natural Textbook Display" and icon menu.
  Power: Dual power system (solar and battery (CR2032)).
• Dimensions (D × W × H): 162 × 77 × 10.7 mm.
• Weight: 95 g.
• Keys: Plastic keys.
• Languages: Menu and user interface in Spanish.
• Memory: 9 variables, variable list, answer memory, and memory function.

Functions and Applications

• The calculator is renowned for its calculation speed and wide range of mathematical and statistical functions.
• Advanced Calculation: Includes operations with complex numbers, matrix and vector calculations (up to 4x4), and numerical integration and differentiation.
• Equations and Inequalities: Allows solving polynomial equations (up to degree 4), systems of linear equations (up to 4 unknowns), and inequalities.
• Statistics and Spreadsheet: Offers a list-based data editor, one- and two-variable statistics, distribution calculations, and an integrated spreadsheet function (up to 5 columns x 45 rows).
• Math Box: An application that simulates experiments like rolling dice or flipping coins to support the teaching of probability.
• QR Code: Generates QR codes of equations and data to view graphs and more information online via ClassPad.net.
• Constants and Conversions: Access to 47 scientific constants and various metric conversions.
• Verification Function: Special feature that allows verifying the truthfulness of different types of equations.