Casio General Casio fx 991 MS calculator

Description

-Advanced Functions: Over 400 functions including trigonometry, logarithms, and statistics. - Natural Display: Displays mathematical expressions and results exactly as they appear in textbooks. - Multi-replay Function: Allows users to scroll back through calculations for easy error checking. - Fraction Calculations: Supports fraction manipulation and displays results in both fraction and decimal form. - Complex Number Calculations: Handles complex number operations effortlessly. - Differentiation and Integration: Offers calculations for derivatives and integrals, aiding in higher-level mathematics. - Unit Conversions: Features a variety of unit conversions to assist with different measurement systems. - Solar Power with Battery Backup: Eco-friendly solar power with a backup battery ensures that you never run out of power during critical calculations. - Robust and Portable Design: Lightweight and durable, making it ideal for both classroom and field use. - Statistical Functions: Includes comprehensive statistical calculations, including standard deviation, permutations, and combinations.