\precapproxThe symbol \precapprox is used in mathematical notation to denote that one quantity is approximately less than another. It is a combination of the symbols \prec (precedes) and \approx (approximately equal to), and is often used in contexts where a precise inequality is not necessary, but an approximate relationship is sufficient.
Indicates that 'a' is approximately less than 'b'.
a \precapprox bThe square of x is approximately less than the square of y.
x^2 \precapprox y^2The function f(x) is approximately less than the function g(x) for certain values of x.
f(x) \precapprox g(x)