Usage
The Casio DF-120 ECO is a rollerless desktop calculator designed for efficient calculation tasks in office or home environments, providing core mathematical, tax, and currency functions through an extra-large 12-digit display.
Advantages
- Casing made from recycled plastic supports environmentally friendly office practices.
- Dual power supply (solar and battery) ensures reliable operation in all lighting conditions.
- Large slanted LCD display with digit comma separators for enhanced readability during extended use.
- Dedicated keys for tax, percentage, profit margin calculations, and four programmable currency conversions streamline financial tasks.
- An auto power-off function reduces energy consumption when not in use.
Specifications
- Design: Desktop model; upper and lower case constructed from recycled plastic; sturdy metal faceplate; ergonomically shaped non-slip plastic keys; integrated kick stand and rubber feet for stability.
- Sustainability & Durability: Utilizes eco-friendly solar power with mercury-free CR2032 backup battery (approximate battery life: seven years at one hour of daily use); two-year manufacturer warranty.
- Performance: Extra-large tilted LCD supporting up to twelve digits; dimensions: approximately 174.5 × 122.5 × 35.7 mm; weight: about 185 g.
- Differentiating Features: Includes decimal and rounding selectors (multiple settings), backspace correction key, shift/sign change/double zero/GT keys, grand total memory storage even after switch-off, key rollover function to prevent input errors.
How it works
The Casio DF-120 ECO operates via its keypad for manual data entry on a tilted extra-large screen. Calculations are performed instantly—whether basic arithmetic or specialized tasks like tax computation or currency conversion—and results are shown clearly thanks to digit separation markers. Power is supplied by solar energy or the included backup battery.