{"product_id":"koqzm-2-line-lcd-scientific-calculator-240-functions","title":"KOQZM 2-Line Scientific Calculator | 240 Functions, LCD","description":"\n\u003ch2\u003eKOQZM 2-Line Display Scientific Calculator – 240 Functions for School, Finance \u0026amp; Office\u003c\/h2\u003e\n\u003cp\u003eMeet your new go-to calculation companion. The \u003cstrong\u003eKOQZM Scientific Calculator\u003c\/strong\u003e packs a powerful \u003cstrong\u003e2-line LCD display\u003c\/strong\u003e and \u003cstrong\u003e240 built-in functions\u003c\/strong\u003e into a slim, handheld design perfect for students, professionals, and anyone who needs fast, reliable number-crunching. View your expression and its result simultaneously — no more guessing what you entered.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-Line LCD Display\u003c\/strong\u003e – See your formula and its answer at the same time for fewer errors and faster workflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e240 Functions\u003c\/strong\u003e – Includes 164 scientific functions, statistical calculations, fraction calculations, and a STAT data editor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS-V.A.P.M. Operating System\u003c\/strong\u003e – Intuitive input system that mirrors the way equations are written in textbooks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Replay Function\u003c\/strong\u003e – Scroll back through previous calculations to check your work or reuse entries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9 Memories \u0026amp; 79-Byte Formula Memory\u003c\/strong\u003e – Store and recall values and entire formulas with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAngle Mode Flexibility\u003c\/strong\u003e – Switch between Degrees, Radians, and Gradians to match any subject or profession.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Power Off\u003c\/strong\u003e – Conserves battery life so it's always ready when you need it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlide-On Hard Case Included\u003c\/strong\u003e – Protects the keys from damage in your backpack, desk drawer, or briefcase.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Powered\u003c\/strong\u003e – Runs on 2 button batteries (included), no charging required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Line LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScientific Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e164\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS-V.A.P.M.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMantissa + EXP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 + 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemories\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormula Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e79 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAngle Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDegrees, Radians, Gradians\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × Button Batteries (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.91 × 2.95 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Age\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 and over\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 PC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMiddle school, high school \u0026amp; college students – algebra, geometry, trigonometry, calculus\u003c\/li\u003e\n  \u003cli\u003eFinance professionals – quick calculations, statistical analysis\u003c\/li\u003e\n  \u003cli\u003eOffice and business use – formula-driven calculations on the go\u003c\/li\u003e\n  \u003cli\u003eTeachers and tutors – classroom demonstrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × KOQZM Scientific Calculator (batteries included)\u003c\/li\u003e\n  \u003cli\u003e1 × Slide-On Hard Protective Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-5mm-mini-pocket-gel-pen-quick-dry-waterproof-10-refills\"\u003e0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof \u0026amp; 10 Refills\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-100mm-tiny-digital-vernier-caliper-portable-measuring-tool\"\u003e0–100mm Tiny Digital Vernier Caliper | Portable Measuring Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-200mm-jewelry-measuring-caliper-bead-stone-gauge-stainless-steel\"\u003e0–200mm Jewelry Caliper – Stainless Steel Bead \u0026amp; Stone Gauge\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on effective study tools and STEM learning, visit the NIST STEM Education Resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this scientific calculator suitable for high school or college-level math?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The KOQZM 2-Line Scientific Calculator covers 240 functions including 164 scientific operations, fraction calculations, statistical analysis, and multiple angle modes (Degrees, Radians, Gradians), making it well-suited for high school algebra, trigonometry, and introductory college-level mathematics courses.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the calculator come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Two button batteries are included in the package, so you can start using it right out of the box. The auto power-off feature helps extend battery life during everyday use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the 2-line display feature do?\u003c\/h4\u003e\n\u003cp\u003eA: The 2-line LCD display shows both your input expression and the calculated result at the same time. This makes it easy to catch entry errors before confirming your answer and speeds up complex multi-step calculations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this calculator allowed in standardized tests or exams?\u003c\/h4\u003e\n\u003cp\u003eA: Calculator policies vary by exam board and institution. We recommend checking with your specific school, university, or exam authority to confirm which calculator models are permitted for your test.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this scientific calculator suitable for high school or college-level math?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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