Brand: Casio

Type: Desk Calculator

Features:

• 12-digit display
• Regular percentage calculations
• Dual power source: solar-powered with battery backup
• Extra-large display for easy readability
• Durable plastic keys
• Decimal and rounding selectors for precise calculations
• Casio FX-991MS-2 Scientific Calculator

Type: Scientific Calculator

Features:

• Non-programmable with 401 functions
• 10-digit mantissa + 2-digit exponent display
• Dual power: solar and battery
• Fraction calculations, combination, and permutation functions
• Advanced statistical functions (STAT-data editor, standard deviation, regression analysis)
• 9 variable memories for convenient data storage
• Comes with a slide-on hard case for protection