Product: Arithmetic calculator Why choose this calculator Simple, reliable arithmetic tool for everyday calculations. It delivers clear 12-digit results, making it suitable for home, school, and basic office use. Compact and durable construction: plastic housing with electronic components keeps the unit lightweight and resistant to daily wear. Battery powered for portability: operates on one AA ordinary dry battery, so you can use it anywhere without needing a power outlet. Battery not included. Key features Function: arithmetic calculator for addition, subtraction, multiplication, division, and basic numeric operations. Display: 12 digits for large values and clearer results. Size: 150 x 120 x 50 mm, compact enough for a desk, backpack, or drawer. Material: plastic body with electronic components for a lightweight, durable design. Color: black for a neutral, professional appearance. Power: requires one AA ordinary dry battery; battery is not included. Voice: no voice function. Performance and compatibility Designed for straightforward numeric work without advanced scientific or programmable functions. Compatible with standard AA batteries for easy replacement and wide availability. Sturdy plastic casing protects internal electronics for consistent, long-term use. Practical use scenarios Home budgeting and bills: track expenses, calculate totals, and verify invoices with a clear 12-digit display. Classroom and study: support basic math practice and homework for students who need a dedicated arithmetic device. Small office tasks: quick checks of sums, subtotals, and simple bookkeeping away from a computer. What you get A black arithmetic calculator (150 x 120 x 50 mm) with a 12-digit display and plastic housing. Requires one AA ordinary dry battery, which is not included. This calculator offers straightforward functionality, portable power, and a compact form factor suited to everyday arithmetic needs.