//water and its treatment//
//example 2.18.9//
clc
Hardness_ppm1=350//ppm in terms of CaCO3//
Hardness_ppm2=500//ppm in terms of CaCO3//
Cl=0.07*Hardness_ppm1//0.07°Clarke =1 ppm//
Fr=0.1*Hardness_ppm2//0.1°French =1 ppm//
printf("1)Hardness in terms of degree Clarke %.1f °Cl",Cl);
printf("\n 2)Hardness in terms of degree French %.0f °Fr",Fr);