3769/CH17/EX17.30/Ex17_30.sce


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clear
//Given
P1=6
P2=-2.0

//Calculation
P=P1+P2
f=1/P

//Result
printf("\n Focal length of the combination is %0.3f  cm", f*10**2)
printf("\n Power of the combinationis %0.3f  D",P)