Water content of bean root cells (Y) versus distance from
tip (X).  
Sample data file, CurveExpert 1.0


Distance (in tens)  Content (in tens)
======================================
0.050000        0.130000
0.150000        0.130000
0.250000        0.190000
0.350000        0.340000
0.450000        0.530000
0.550000        0.710000
0.650000        1.060000
0.750000        1.600000
0.850000        1.640000
0.950000        1.830000
1.050000        2.090000
1.150000        2.050000
1.250000        2.130000
1.350000        2.120000
1.450000        2.090000