{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/adding-machine-calculator/schema.json",
  "title": "Adding Machine Calculator inputs",
  "description": "Add a signed list of amounts and show a running total like a tape calculator.",
  "type": "object",
  "properties": {
    "entries": {
      "title": "Signed numbers (comma or space separated)",
      "type": "string",
      "default": "125.50, -20, 35.25, -4.75"
    }
  },
  "required": [
    "entries"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/adding-machine-calculator/",
    "queryExample": "https://askcalculators.com/calculator/adding-machine-calculator/?entries=125.50%2C+-20%2C+35.25%2C+-4.75",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "running total = Σ signed entries"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/adding-machine-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."
    },
    "outputs": {
      "total": {
        "title": "Total",
        "type": "number",
        "x-format": "number",
        "x-digits": 8,
        "x-primary": true
      },
      "entryCount": {
        "title": "Number of entries",
        "type": "number",
        "x-format": "integer"
      },
      "positiveTotal": {
        "title": "Positive entries",
        "type": "number",
        "x-format": "number",
        "x-digits": 8
      },
      "negativeTotal": {
        "title": "Negative entries",
        "type": "number",
        "x-format": "number",
        "x-digits": 8
      }
    }
  }
}