{
    "title": "Online Calculator Transparency Standard",
    "updated": "2026-08-06",
    "methodology": "This editorial standard is applied as a checklist during calculator creation and review. A reviewer verifies one normal example and relevant edge cases.",
    "limitations": "The standard improves transparency but cannot guarantee that every formula, source, or user interpretation is correct.",
    "columns": [
        "Field",
        "What to publish",
        "Why it matters"
    ],
    "rows": [
        [
            "Purpose",
            "Exact question the calculator answers",
            "Prevents misuse"
        ],
        [
            "Inputs",
            "Label, unit, valid range",
            "Users know what to enter"
        ],
        [
            "Formula",
            "Readable equation or procedure",
            "Results can be checked"
        ],
        [
            "Assumptions",
            "Defaults and exclusions",
            "Hidden assumptions change outcomes"
        ],
        [
            "Rounding",
            "When and how values round",
            "Explains small differences"
        ],
        [
            "Currency/year",
            "Applicable currency and period",
            "Rates can be time-specific"
        ],
        [
            "Source",
            "Primary reference when regulated",
            "Supports maintenance"
        ],
        [
            "Reviewed date",
            "Last accuracy review",
            "Signals freshness"
        ],
        [
            "Worked example",
            "Inputs and expected output",
            "Provides a test case"
        ],
        [
            "Edge cases",
            "Zero, negative, missing, extreme values",
            "Improves validation"
        ],
        [
            "Output labels",
            "Units and interpretation",
            "Numbers need context"
        ],
        [
            "Limitations",
            "What result cannot establish",
            "Avoids false certainty"
        ],
        [
            "Privacy",
            "Where inputs are processed",
            "Users assess sensitivity"
        ],
        [
            "Feedback route",
            "How to report an issue",
            "Supports correction"
        ]
    ]
}