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//program to create a function that calculates compound interest based on principal amount, rate of interest and time passed to the function as arguments #include<iostream.h> #include<conio.h> #include<math.h> void compoundi(float principal,float rate,float time); void compoundi(float principal,float rate,float time) { float ci; ci=(principal*pow(1+(rate/100),time)); cout<<"\ncompound interest is "<<ci; } void main() { clrscr(); float principal,rate,time; cout<<"\nenter principal amount "; cin>>principal; cout<<"\nenter rate of interest "; cin>>rate; cout<<"\nenter time "; cin>>time; compoundi(principal,rate,time); getch(); }