Casio Fx-991ES PLUS Scientific Calculator

Specifications

• Random integers
• Fraction calculations
• Combination and permutation
• Statistics (List-based STAT data editor, standard deviation, regression analysis)
• 9 variables
• Table function
• Comes with a new slide-on hard case
• Equation calculations
• Integration/differential calculations
• Matrix calculations
• Vector calculations
• Complex number calculations
• CALC function
• SOLVE function
• Base-n calculation