-n, --numeric-sort compare according to string numerical value

for example:

(base) ➜  ~ echo -n '3\n10\n1.1\n1\n'          
3
10
1.1
1
(base) ➜  ~ echo -n '3\n10\n1.1\n1\n' | sort
1
10
1.1
3
(base) ➜  ~ echo -n '3\n10\n1.1\n1\n' | sort -n
1
1.1
3
10