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HELP

function f(x) { y = 0.0227*x + 7.873; return y }
...
aX = 0; bX = 400; aY = 0; bY = 25
Dx = 50; Dy = 5
...
Qx = [365,61,151,330,31,63,112,281,154]; Qy = [12, 12, 8, 20, 5, 12, 10, 15, 12]
...
AX=BX=AY=BY=""
AY = "gestazione"; BX = "vita media"
...
AAX=aX; BBX=bX; AAY=aY; BBY=bY