{
  "context": "This criteria evaluates how effectively the engineer uses mathjs unit conversion capabilities, specifically the `to()` and `toBest()` functions, to implement unit conversion functionality.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses math.unit",
      "description": "Creates unit values using mathjs's `math.unit()` function or string notation (e.g., '1000 m') to represent values with units",
      "max_score": 20
    },
    {
      "name": "Uses to() function",
      "description": "Correctly uses mathjs's `to()` function (e.g., `math.to(value, targetUnit)` or `value.to(targetUnit)`) to convert between specific units in the convertUnit function",
      "max_score": 30
    },
    {
      "name": "Uses toBest() function",
      "description": "Correctly uses mathjs's `toBest()` function (e.g., `math.toBest(value)` or `value.toBest()`) to find optimal unit representation in the toBestUnit function",
      "max_score": 30
    },
    {
      "name": "Handles multiple unit types",
      "description": "Successfully handles conversions across different unit types (length, time, data/binary) as specified in the test cases",
      "max_score": 20
    }
  ]
}