akem@akem-HP:~$ ruby -e "0.step(1, 0.1){ |i| puts i }"
0.0
0.1
0.2
0.30000000000000004
0.4
0.5
0.6000000000000001
0.7000000000000001
0.8
0.9
1.0
akem@akem-HP:~$