CASIO MS-80B Simple Portable Desk Calculator

General Information 
Manufacturer: Casio Computer Co., Ltd
Manufacturer Part Number: MS80B
Product Model: MS-80B
Product Name: MS80 Desktop Solar Tax Calculator

Technical Information 
Operations/Functionality:

• Currency Conversion
• Tax Calculation
• Percentage Calculation
• Profit Margin
• 3 Digit Comma Markers
• Function Command Indicator
• Back Space
• Square Root
• Constant
• Addition
• Subtraction
• Multiplication
• Division

Calculator Features: Extra Large Display,Dual Power,Rubber Feet,Key Rollover,3-Key Memory,Sign Change,Easy-to-read Display,Independent Memory
Controls/Indicators 
Buttons & Keys:

• Changing Plus/Minus Sign Key
• Back Space Key

Battery Information 
Power Source: Battery,Solar
Physical Characteristics 
Material: Metal,Plastic
Height: 5.8"
Width: 4.1"
Depth: 1.1"
Weight (Approximate): 115 g
Warranty 
Limited Warranty: 1 Year