.product-description { font-family: Arial, sans-serif; line-height: 1.5; color: #333; } .product-description h2 { color: #0056b3; } .product-description ul { list-style-type: disc; margin-left: 20px; } .product-description p { margin-bottom: 1em; } TY-991EX Scientific Calculator Experience the power and versatility of the TY-991EX scientific calculator. Ideally suited for students, professionals, and anyone in need of advanced mathematical computations. Key Features Comprehensive Functionality: Utilize 552 built-in functions including trigonometric, exponential, logarithmic, calculus, statistics, and algebraic operations. Supports complex number, matrix, and vector calculations to cater to diverse scientific and engineering requirements. High-Definition Display: Enjoy a high-clarity, dot matrix display (192x63) that enhances readability and offers a natural display for intuitive input and output of formulas. Dual Power Source: Operate reliably anywhere with solar power and a button battery, reducing the frequency of battery changes and proving economical for long-term usage. User-Friendly Design: Features large, clear numeric keys and a durable protective cover with an anti-collision design for assured durability and ease of use. Versatile Use: Perfect for students, educators, engineers, and accountants, making complex calculations across disciplines efficient and straightforward. Specifications Model: TY-991EX Color Options: White, Black Size: 165x80x15mm Weight: 125g Battery: LR44, 160mAh, 1.5V With its compact size and comprehensive functionality, the TY-991EX makes an excellent gift for those in need of a reliable scientific calculator. Package Contents 1 x TY-991EX Calculator
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