Product Overview: The Casio DJ-240D Plus Calculator is an efficient tool for business, accounting, and general use with an easy-to-read display and advanced functionality for precise calculations. Key Features: ‣ Large Display: 12-digit display for easy reading. ‣ Solar & Battery-Powered: Dual power sources for reliability. ‣ Dual Memory: Memory functions for better calculations. ‣ Cost/Sell/Margin Keys: Dedicated keys for business-related calculations. Technical Specifications: ‣ Dimensions: 20.4 x 12.5 x 3 cm ‣ Material: Plastic body ‣ Performance: Dual power, solar and battery-operated ‣ Compatibility: Suitable for business and home use