CURVILINEAR INTERPOLATION

NUMBER OF KNOWN POINTS? 3
X,Y OF POINT 1 ? 1,2
X,Y OF POINT 2 ? 5,78
X,Y OF POINT 3 ? 9,123

INTERPOLATE: X=? 3
             y= 43.875 

MORE X ON THIS CURVE (1=YES, 0=NO)? 0
MORE X ON ANOTHER CURVE (1=YES, 0=NO)? 0
