{"product_id":"fs-991es-plus-scientific-calculator-2nd-version","title":"fs-991ES PLUS Scientific Calculator – 2nd Version - Green","description":"\u003cp data-start=\"76\" data-end=\"408\"\u003eThe UNIT FS-991ES PLUS 2nd Version Scientific Calculator is designed for advanced calculations with enhanced functionality and an easy-to-use interface. Featuring 417 built-in functions and a natural textbook display, it presents equations exactly as they appear in textbooks for a smoother and more accurate calculation experience.\u003c\/p\u003e\n\u003cp data-start=\"410\" data-end=\"419\"\u003eFeatures:\u003c\/p\u003e\n\u003cp data-start=\"421\" data-end=\"852\"\u003e• 417 built-in functions\u003cbr data-start=\"445\" data-end=\"448\"\u003e• Natural textbook-style display for clearer equations\u003cbr data-start=\"502\" data-end=\"505\"\u003e• Two-way power system with solar and battery operation\u003cbr data-start=\"560\" data-end=\"563\"\u003e• Supports matrices, vectors, statistics, and complex numbers\u003cbr data-start=\"624\" data-end=\"627\" data-is-only-node=\"\"\u003e• Equation and table calculation modes\u003cbr data-start=\"665\" data-end=\"668\"\u003e• Integral and differential calculation functions\u003cbr data-start=\"717\" data-end=\"720\"\u003e• Easy menu navigation system\u003cbr data-start=\"749\" data-end=\"752\"\u003e• Fast processing with user-friendly controls\u003cbr data-start=\"797\" data-end=\"800\"\u003e• Stylish modern design with 2nd version interface\u003c\/p\u003e\n\u003cp data-start=\"854\" data-end=\"938\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIdeal for students, engineers, university use, and advanced scientific calculations.\u003c\/p\u003e","brand":"Unit Calculators","offers":[{"title":"Default Title","offer_id":48892869378298,"sku":null,"price":0.0,"currency_code":"LBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1465\/9322\/files\/WhatsAppImage2026-05-15at5.39.24PM.jpg?v=1778857387","url":"https:\/\/unit-calculators.com\/products\/fs-991es-plus-scientific-calculator-2nd-version","provider":"Unit Calculators","version":"1.0","type":"link"}