//Example 7.7, page no-441
clear
clc
//(a)
B=45
W=25
printf("(a)\nPsychromatic differential : %d°C\n Relative humidity is 80%% corresponding to \ntemperature 45°C  and psychromatic differential 20°C",(B-W))
//(b)
//(a)
B1=30
W1=27
printf("\n(b)\nPsychromatic differential : %d°C\n Relative humidity is 80%% corresponding to \ntemperature 30°C  and psychromatic differential 3°C",(B1-W1))