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clc;funcprot(0);//EXAMPLE 2.1
// Initialisation of Variables
r=1.5*10^-7;........//Radius of a particle in cm
rho=7.8;..........//Density of iron magnetic nano- particle in cm^3
//CALCULATIONS
v=(4/3)*%pi*(r)^3;.....//Volume of each Iron magnetic nano -particle in cm^3
m=rho*v;.......//Mass of each iron nano-particle in g
disp(v,"Volume of each Iron magnetic nano -particle in cm^3:")
disp(m,"Mass of each iron nano-particle in g:")
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