QGIS/resources/function_help/json/log

{
  "name": "log",
  "type": "function",
  "description": "Returns the value of the logarithm of the passed value and base.",
  "arguments": [
	{"arg":"base","description":"any positive number"},
	{"arg":"value","description":"any positive number"}
  ],
  "examples": [
	{ "expression":"log(2, 32)", "returns":"5"},
	{ "expression":"log(0.5, 32)", "returns":"-5"}
  ]
}