clear
//
//
//

//Variable declaration
y=1/100    //percentage of probability
x=0.5*1.6*10**-19     //energy(J)
k=1.38*10**-23       //boltzmann constant

//Calculation
xbykT=log((1/y)-1)
T=x/(k*xbykT)       //temperature(K)

//Result
printf("\n temperature is %0.0f  K",T)
printf("\n answer varies due to rounding off errors")