//Example 18.2, Page 694
clc
Q=(2/3)-(1/3)-(1/3)
B=(1/3)+(1/3)+(1/3)
S=0+0-1
T=(1/2)+(1/2)+0
Tz=(1/2)-(1/2)+0
printf("The value of Q is %f \n",Q)
printf("The value of B is %f \n",B)
printf("The value of S is %f \n",S)
printf("The value of T is %f \n",T)
printf("The value of Tz is %f \n",Tz)