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//Example number 2.3, Page number 32
clc;clear;
close;
// Variable declaration
N=6.02*10**26; // Avagadro Number
n=2;
rho=530; // density(kg/m**3)
M=6.94; // atomic weight(amu)
// Calculation
a=(n*M/(rho*N))**(1/3)*10**10; // lattice constant(angstrom)
// Result
printf( "lattice constant is %.3f Angstrom",a)
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