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The Casio 991es Plus 2nd Edition Scientific Calculator is a powerful tool for advanced mathematical calculations. With its 417 functions, it offers a wide range of features such as trigonometric, logarithmic, and statistical functions. Its 4-line display allows for easy viewing and input, making complex calculations a breeze. Perfect for students and professionals alike, this calculator offers efficient and accurate results for all your mathematical needs.
Basic functions
Basic Mathematical Functions
Number of Functions : 417
Absolute Value Calculation
Power Function (Square)
Power Function (Cube)
Power Function
Power Function (Square Root)
Trigonometric Function
Inverse Trigonometric Function
Hyperbolic / Inverse Hyperbolic Function
Exponential Calculation
Logarithmic Calculation
Log not base 10
Coordinate Conversion
Combination / Permutation
Random Number Generation
Random Integer Generation
Summation
Other functions
Equation
Physics- and chemistry-related functions
Scientific Constants
Metric conversion function