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HELP

function f(x) { y = -0.0221817*x*x+0.32187*x+0.1179; return y }
...
aX = 0; bX = 10; aY = 0; bY = 1.5
Dx = 1; Dy = 0.1
...
xx = [5,10]; yy = [0.5,1,1.5]
Qx = [  1,  2, 2.5,  4,  6, 8, 8.5 ]
Qy = [ 0.4,0.7,0.8,1.0,1.3,1.2,1.3 ]
...
AX=BX=AY=BY=""
...
AAX=aX; BBX=bX; AAY=aY; BBY=bY