{
  "context": "This criteria evaluates how well the engineer uses mathjs's expression parsing capabilities (parse, evaluate, compile, and parser functions) to implement a formula evaluator with variable substitution support.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses parse function",
      "description": "Implementation uses mathjs's parse() function to parse mathematical expressions into abstract syntax trees",
      "max_score": 25
    },
    {
      "name": "Uses evaluate function",
      "description": "Implementation uses mathjs's evaluate() function with scope parameter to evaluate expressions with variable substitution",
      "max_score": 25
    },
    {
      "name": "Uses compile function",
      "description": "Implementation uses mathjs's compile() function to pre-compile expressions and calls the evaluate() method on the compiled result for repeated evaluation",
      "max_score": 25
    },
    {
      "name": "Uses parser function",
      "description": "Implementation uses mathjs's parser() function to create a stateful parser instance and calls its evaluate() method to maintain persistent state between evaluations",
      "max_score": 25
    }
  ]
}