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clear
L=28
t0=20
p0=10
pm=5
tm=40
a=0.02
al=11/(1000000)
E=2.1*(1000000)
w1=470
ml=680
n=1
w=(470*28)/30
w=w/1000
ct=al*L*(tm-t0)
printf("\n the temperature correction is %0.3f meters',ct)
cp=(pm-p0)*L/(a*E)
printf("\n the pull correction is %0.3f meters',cp)
cs=-L*w*w/(24*pm*pm*n*n)
printf("\n the sag correction is %0.3f meters',cs)
e=ct+cp+cs
printf("\n the total correction is %0.3f meters',e)
l1=L+e
dis=(l1/L)*ml
printf("\n the correctt distance is %0.3f ",dis)
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