{
    "name": "Scientific Calculator",
    "url": "https://calculators.geekmidst.com/calculators/scientific-calculator",
    "markdown": "https://calculators.geekmidst.com/calculators/scientific-calculator.md",
    "category": "Mathematics",
    "description": "A free online scientific calculator with sin, cos, tan, logarithms, powers, roots, factorials, brackets, memory and history, in degrees or radians.",
    "summary": "Type an expression or tap the keys. It follows the standard order of operations, works in degrees or radians, and keeps your last answers in the history.",
    "also_called": [
        "Online calculator",
        "Basic calculator",
        "Trig calculator"
    ],
    "applies_to": "Worldwide",
    "last_updated": "2026-10-29",
    "computation": "Results are computed in the visitor’s browser on the HTML page. This API describes the calculator; it does not compute results.",
    "inputs": [
        {
            "name": "expr",
            "label": "Expression",
            "type": "text",
            "default": "2 × (3 + 4)²"
        },
        {
            "name": "angle",
            "label": "Angles in",
            "type": "segmented",
            "default": "deg",
            "options": {
                "deg": "Degrees",
                "rad": "Radians"
            }
        }
    ],
    "outputs": [
        {
            "key": "result",
            "label": "Result",
            "format": "number"
        },
        {
            "key": "expression",
            "label": "Expression read as",
            "format": "text"
        }
    ],
    "formula": {
        "text": "Order of operations: brackets, then functions and powers (right to left: 2^3^2 = 2^9), then × and ÷, then + and −, each left to right.",
        "variables": {
            "π": "3.14159265358979…",
            "e": "2.71828182845905… (base of natural logarithms)",
            "x%": "x ÷ 100",
            "n!": "1 × 2 × … × n"
        }
    },
    "worked_example": {
        "inputs": {
            "expr": "2 × (3 + 4)²",
            "angle": "deg"
        },
        "steps": [
            "Brackets first: 3 + 4 = 7.",
            "Then the power: 7² = 49.",
            "Then multiply: 2 × 49 = 98."
        ],
        "result": "2 × (3 + 4)² = 98."
    },
    "interpretation": "Results are shown to 12 significant digits, which removes the tiny binary rounding errors computers make (so 0.1 + 0.2 shows 0.3). For exact fractions or step-by-step algebra, use the math solver.",
    "assumptions": [
        "Trigonometric functions use the angle mode you choose; inverse functions return angles in that mode.",
        "A minus sign before a power applies to the whole power: −2² = −4."
    ],
    "limitations": [
        "Numbers are double-precision floating point (about 15–16 significant digits). Use the Big Number calculator for exact large integers."
    ],
    "rules": null,
    "faqs": [
        {
            "question": "Why does sin(30) give −0.988?",
            "answer": "Your calculator is in radians. Switch to degrees: sin(30°) = 0.5."
        },
        {
            "question": "What does “2(3)” mean?",
            "answer": "A number directly before a bracket, π or a function is multiplied: 2(3) = 6 and 2π ≈ 6.283."
        },
        {
            "question": "How do I enter a power?",
            "answer": "Use the xʸ key or type ^, for example 2^10 = 1024. x² squares the last number."
        }
    ],
    "sources": [],
    "related": [
        {
            "name": "Percentage Calculator",
            "url": "https://calculators.geekmidst.com/calculators/percentage-calculator"
        },
        {
            "name": "Fraction Calculator",
            "url": "https://calculators.geekmidst.com/calculators/fraction-calculator"
        },
        {
            "name": "Standard Deviation Calculator",
            "url": "https://calculators.geekmidst.com/calculators/standard-deviation-calculator"
        }
    ],
    "disclaimer": null,
    "publisher": "GM¹X CalcVerse"
}