{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/engineering.uncertainty.type_b_nu/1.0.0/input.json",
  "title": "Type B degrees of freedom — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "u": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Type B standard uncertainty. Aliases: u_i, uB, u_B. Not half-width a."
    },
    "sigma_u": {
      "type": "number",
      "minimum": 0,
      "description": "Standard uncertainty of u. Aliases: su, du, delta_u. Zero → infinite ν."
    }
  },
  "required": [
    "u",
    "sigma_u"
  ],
  "description": "GUM G.4.2 Type B degrees of freedom: ν = ½(u/σ(u))². σ(u)=0 → ν is infinite. Not Type B u_B from a half-width, not Welch ν_eff, and not U = k·u_c. (calculation_version 1.0.0)"
}