Casio fx-991ES PLUS - Scientific Calculator

New functions

• New equation mode
• Random integers

Standard functions

• Fraction calculations
• Combination and permutation
• Statistics (List-based STAT data editor, standard deviation, regression analysis)
• 9 variables
• Table function
• Comes with new slide-on hard case

fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:

• Equation calculations
• Integration/differential calculations
• Matrix calculations
• Vector calculations
• Complex number calculations
• CALC function
• SOLVE function
• Base- n calculation