Technical Specifications: Brand: Casio Model Number and Name: DS-1JT-W-DP Key Features: Large Display Screen: Accommodates 10 digits for clear readability. Buffer Memory: Stores key operations to ensure no input is lost, even during rapid typing and entry. Ease of Operation: Carefully designed and engineered for a comfortable and smooth operating experience. Number Formatting: Displays numbers with separators between every three digits for organizing the reading of large values. Smart Tax Calculation: Equipped with dedicated buttons (TAX+ / TAX-) to easily add or subtract tax with a single press.