{
  "name": "ln",
  "type": "function",
  "groups": ["Math"],
  "description": "Returns the natural logarithm of a value.",
  "arguments": [{
    "arg": "value",
    "description": "numeric value"
  }],
  "examples": [{
    "expression": "ln(1)",
    "returns": "0"
  }, {
    "expression": "ln(2.7182818284590452354)",
    "returns": "1"
  }],
  "tags": ["natural", "logarithm"]
}