CASIO Scientific Calculator FX-991MS-2

• Two-way Power (Solar + LR44 x1 battery)
• 401 Functions
• Calculation– Fraction, Integration, Multi-replay function , Matrix, Equation, Vector, Differential calculations , SOLVE function
• CALC memory
• Combination and permutation
• Statistics (STAT-data editor, Standard deviation, Normal distribution calculations, Regression analysis)
• Base-n calculations / conversions
• Logical operations
• Engineering symbol calculations
• 9 variables memories
• Comes with slide-on hard case