Enter how many you want to see in the box, and click on "See rats".

To find the position of a rational number in the list, enter it in the box and click on "Position".

0 for rational numbers

1 for rational numbers a/b in (0,1) arranged by a+b

2 for rational numbers a/b in (0,1) arranged by b

3 for dyadic rational numbers in (0,1)