#grp.mtb
let c3=c1*c2
let c4=c3*c2
let c5=c4*c2
name k1  'n'
name k2  'mean'
name k3  'Sfx'
name k4  'Sfx2'
name k5  'Sfx3'
name k7  'Sfx^'
name k8  'Sfx^2'
name k9  'Sfx^3'
let k1=sum(c1)
let k3=sum(c3)
let k4=sum(c4)
let k5=sum(c5)
let k2=k3/k1
print c10, c1-c5
print k1-k5
let c6=c2-k2
let c7=c1*c6
let c8=c7*c6
let c9=c8*c6
let k7 =sum(c7)
let k8 = sum(c8)
let k9 = sum(c9)
print c10, c6-c9
print k7-k9
end