Casio fx 991es Plus Scientific Calculator, (2nd Edition) Non-Programmable Scientific Calculator

Product type:

• Non Programmable
• Non Graphing

Product features:

• Non Programmable
• Non Graphing
• Number of Functions : 417

Display format settings:

• Liquid crystal display
• Natural textbook display
• Dot matrix display
• Number Format: Fix
• Number Format: Sci
• Number Format: Norm
• Engineering Notation
• Toggling Calculation Results
• Plastic keys

Key functions:

• Fast-typing function (2-key rollover)
• Negative Sign
• Power Off

Memory:

• Variables: 9
• Independent Memory (M / M+ / M-)
• Answer Memory
• Memory Protection
• Reset Function

Size (D × W × H)

• 161.5 × 77 × 11.1 mm

Power supply:

• Solar & Battery
• Approximate battery life Main 3 years
• Auto Power Off

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

Warranty Period: 3 Years