{"product_id":"b0bsj33c4r","title":"Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix Solver | Ideal for Engineering, Science \u0026 Exams","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eNATURAL TEXTBOOK DISPLAY – View equations, fractions, and symbols exactly as they appear in textbooks for better comprehension and reduced errors.\u003c\/li\u003e\n\u003cli\u003eHIGH-RESOLUTION 4-TONE DISPLAY – Enhanced screen with quad-tone shading improves visibility and makes cursor tracking easy when writing and editing expressions.\u003c\/li\u003e\n\u003cli\u003eMEMORY \u0026amp; MATH CATALOG – Store and recall up to 9 variables containing integers, computations, and functions. Memory persists between sessions—an educator-requested feature. Access 47 constants, 40 conversions, advanced math functions, and more through the intuitive Math Catalog.\u003c\/li\u003e\n\u003cli\u003e540 ADVANCED FUNCTIONS – Perform numeric integration and differentiation, 4x4 matrix operations, spreadsheet-style data viewing, and more.\u003c\/li\u003e\n\u003cli\u003eQR FUNCTIONALITY \u0026amp; DURABLE DESIGN – Scan QR codes to graph results on ClassPad.net; includes rounded keys and a non-slip hard case for classroom or exam use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Casio\u003c\/li\u003e\n\u003cli\u003eColor : Black\u003c\/li\u003e\n\u003cli\u003eCalculator Type : Engineering\/Scientific\u003c\/li\u003e\n\u003cli\u003ePower Source : Solar Powered\u003c\/li\u003e\n\u003cli\u003eScreen Size : 2.25 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CasioCalculators","offers":[{"title":"Default Title","offer_id":44266130505814,"sku":"B0BSJ33C4R","price":36.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/2563\/1062\/files\/716Qoq3t58L._AC_SX679.jpg?v=1774795272","url":"https:\/\/dailyofficesupply.com\/products\/b0bsj33c4r","provider":"OFFICE","version":"1.0","type":"link"}