Question

What is a sign for at most and no more than

Answer 1

Do you mean at least? At most is ≥ at least is ≤

Answer 2

The notation a ≤ b or a ⩽ b means that a is less than or equal to b (or, equivalently, at most b, or not greater than b).

Explanation:

The notation a ≤ b or a ⩽ b means that a is less than or equal to b (or, equivalently, at most b, or not greater than b).