"stochastic calculus" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A branch of mathematics that operates on stochastic processes."
      ],
      "id": "en-stochastic_calculus-en-noun-tylg-dC2",
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      "raw_glosses": [
        "(mathematics) A branch of mathematics that operates on stochastic processes."
      ],
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      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "branch of mathematics",
          "word": "隨機分析"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "suíjī fēnxī",
          "sense": "branch of mathematics",
          "word": "随机分析"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "branch of mathematics",
          "word": "stokastinen analyysi"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "branch of mathematics",
          "tags": [
            "masculine"
          ],
          "word": "cálculo estocástico"
        }
      ],
      "wikipedia": [
        "stochastic calculus"
      ]
    }
  ],
  "word": "stochastic calculus"
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A branch of mathematics that operates on stochastic processes."
      ],
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        "(mathematics) A branch of mathematics that operates on stochastic processes."
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "branch of mathematics",
      "word": "隨機分析"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "suíjī fēnxī",
      "sense": "branch of mathematics",
      "word": "随机分析"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "branch of mathematics",
      "word": "stokastinen analyysi"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "branch of mathematics",
      "tags": [
        "masculine"
      ],
      "word": "cálculo estocástico"
    }
  ],
  "word": "stochastic calculus"
}