Canon LS-100TS 10-Digit Portable Business Calculator, brand new and sealed in its original retail package. Key Features & Highlights: 10-Digit Upright Angled Display: Large, easy-to-read LCD screen angled for comfortable desktop viewing. Cost-Sell-Margin Functions: Quickly calculate profit margins, selling prices, or cost with simple key operations. Tax Calculation Keys: Easily add or subtract pre-programmed tax rates. Dual Power Source: Runs on solar power with battery backup so it's always ready to use. Compact & Portable Design: Small enough for handheld use, office desks,