{
  "id": "significant-figures-calculator",
  "version": "1.0.0",
  "name": "Significant Figures Calculator",
  "shortName": "Significant Figures",
  "description": "Perform arithmetic and round the result using significant-figure rules.",
  "category": "Math & Statistics",
  "categorySlug": "math-statistics",
  "keywords": [
    "significant",
    "figures",
    "calculator",
    "significant figures calculator"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/significant-figures-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "1.0.0",
    "referenceCoverage": "references-pending",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-09-01",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "urls": {
    "page": "/calculator/significant-figures-calculator/",
    "definition": "/calculator/significant-figures-calculator/definition.json",
    "schema": "/calculator/significant-figures-calculator/schema.json",
    "llms": "/calculator/significant-figures-calculator/llms.txt",
    "legacyDefinition": "/calculator/significant-figures-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/significant-figures-calculator/?operation=multiply&valueA=12.30&valueB=4.5",
  "queryParameters": {
    "operation": {
      "label": "Operation",
      "type": "select",
      "required": true,
      "default": "multiply"
    },
    "valueA": {
      "label": "First measured value",
      "type": "text",
      "required": true,
      "default": "12.30"
    },
    "valueB": {
      "label": "Second measured value",
      "type": "text",
      "required": true,
      "default": "4.5"
    }
  },
  "inputs": [
    {
      "id": "operation",
      "label": "Operation",
      "type": "select",
      "required": true,
      "defaultValue": "multiply",
      "options": [
        {
          "label": "Add",
          "value": "add"
        },
        {
          "label": "Subtract",
          "value": "subtract"
        },
        {
          "label": "Multiply",
          "value": "multiply"
        },
        {
          "label": "Divide",
          "value": "divide"
        }
      ]
    },
    {
      "id": "valueA",
      "label": "First measured value",
      "type": "text",
      "required": true,
      "defaultValue": "12.30"
    },
    {
      "id": "valueB",
      "label": "Second measured value",
      "type": "text",
      "required": true,
      "defaultValue": "4.5"
    }
  ],
  "outputs": [
    {
      "id": "roundedResult",
      "label": "Result with significant-figure rule",
      "format": "text",
      "primary": true
    },
    {
      "id": "unroundedResult",
      "label": "Unrounded numeric result",
      "format": "number",
      "digits": 15
    },
    {
      "id": "rule",
      "label": "Rule applied",
      "format": "text"
    },
    {
      "id": "retainedDigits",
      "label": "Retained significant figures",
      "format": "integer"
    }
  ],
  "formula": {
    "expression": "multiplication/division retain the fewest significant figures; addition/subtraction retain the fewest decimal places"
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "operation": "multiply",
        "valueA": "12.30",
        "valueB": "4.5"
      }
    }
  ],
  "sources": []
}