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-rw-r--r--3651/CH4/EX4.5/5.sce12
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+//Variable declarations
+m=9.1*10**-31
+h=6.626*10**-34
+Ef=3.1
+Ef1=Ef+0.02
+e=1.6*10**-19
+//Calculations
+
+ N=integrate('%pi*((8*m)**(3/2))*(E**(1/2)*e**(3/2))/(2*(h**3))','E',Ef,Ef1)
+
+//Result
+printf('N =%0.3f *10**26 states \n ',(N*10**-26))