How to find the max no from an array without using Max() ?

You can create a local variable of Map type and use to data subset to sort the array descending and get the 1st index value

a!localVariables(
  local!listOfInts: {
    a!map(num: 5),
    a!map(num: 6),
    a!map(num: 2),
    a!map(num: 1),
    a!map(num: 10),
    a!map(num: 7)
  },
  index(
    index(
      todatasubset(
        local!listOfInts,
        a!pagingInfo(1, - 1, a!sortInfo("num", false()))
      ).data,
      "num",
      {}
    ),
    1,
    {}
  )
)

Hi [mention:c1f23620d448459fad309b37446c5d1f:e9ed411860ed4f2ba0265705b8793d05],

I want to understand your use case. Why do you want to do it without the max() function? Tho there are multiple ways of doing it, max() will be the most efficient way (as Chris also mentioned)