taratura
0.5	50
0.6 60
0.7 70
0.8 80
0.9 90
1.0  0.001
1.0 100
1.1 10
1.2 20
1.3 30
1.4 40
1.5	50
1.6 60
1.7 70
1.8 80
1.9 90
2.0 0.001
2.0 100
2.1 10
2.2 20
2.3 30
2.4 40
2.5	50
2.6 60
2.7 70
2.8 80
2.9 90
3.0 100
3.0 0.001