Title "Fit the function Y = 10 + 2*sin(3*X)";
Angletype radians;
Variables X,Y;
Parameter Offset,Amplitude,Frequency;
Sweep frequency=2.4,2.8,.2;
Function Y = Offset + Amplitude * sin(Frequency * X);
Plot grid;
Data;
1   9.36424
1.14286   9.36789
1.28571   8.35593
1.42857   8.17931
1.57143   7.338
1.71429   8.63046
1.85714   8.64967
2   9.15717
2.14286   11.2137
2.28571   11.0139
2.42857   12.0957
2.57143   11.2705
2.71429   11.4791
2.85714   12.161
3   11.7462
3.14286   9.97441
3.28571   10.152
3.42857   9.36709
3.57143   8.7326
3.71429   7.89365
3.85714   8.10455
4   9.13485
4.14286   10.5293
4.28571   9.87938
4.42857   10.9018
4.57143   11.5878
4.71429   11.842
4.85714   12.2464
5   11.7366
5.14286   11.3415
5.28571   9.59675
5.42857   9.35972
5.57143   8.85226
5.71429   8.09444
5.85714   8.82305
6   9.32203
6.14286   9.51668
6.28571   9.61317
6.42857   9.91492
6.57143   12.3098
6.71429   12.3295
6.85714   12.5992
7   11.3173
7.14286   10.7327
7.28571   10.6132
7.42857   9.74735
7.57143   7.95852
7.71429   8.59508
7.85714   7.50609
8   8.92484