Casio Ergonomic Calculators Desktop Type 12 Digits Black CSO-DE12E-BK

• Unique features of HEAVY DUTY calculators
• Extra Large Display
• Larger display makes more data easier to read.
• Durable Anti-fade keys
• Keys are produced by injecting plastic of two different colours. Key markings are plastic, which means they do not wear or fade with use. Excluding the [M/EX],[TAX+] and [TAX−] keys.
• Key cross-section Key Layout and Key Cap Shape Keys are ergonomically shaped and configured to match natural finger movements.
• Non-slip Structure Large rubber feet on the bottom of the calculator keep it from slipping during operation.
• Function Command Signs A symbol (+,−,×,÷) on the display indicates the status of the operation you are currently performing.
• Solar & Battery Solar powered when light is sufficient, battery powered when light is insufficient.
• Silent Touch Keys Keys are specially designed for silent operation when compared to previous CASIO calculators to help maintain a more pleasant working environment.
• Three-Key Rollover Key operations are stored in a buffer, so that nothing is lost even during high-speed input.
• Basic Information Product features: Currency exchange function Tax calculation Metal Faceplate
• Product type Desktop: Type
• Number of digits: 12 digits
• Liquid crystal display: Extra Large display Function command signs 3-digit comma markers
• Key characteristics: Durable Anti-fade Keys Plastic keys Ergonomic Step Keys
• Key functions: Key rollover Shift key (▶) Sign Change (＋/－)
• Memory: Grand total (GT) Independent memory
• Power supply Solar & Battery CR2025×1
• Size (D × W × H):  188 × 140 × 35 mm
• Weight: 295 g
• Display Settings Display format settings Decimal selector (4/3/2/1/0/ADD₂) 
• Rounding selector (F・CUT・UP・5/4）
• Basic calculation Basic: Calculation Regular percent (％) Profit margin percent Square root (√)
• Applied calculation: Currency exchange function Tax calculation