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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<stdio.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)); printf("\ncompound interest is %f",ci); } void main() { float principal,rate,time; clrscr(); printf("\nenter principal amount "); scanf("%f",&principal); printf("\nenter rate of interest "); scanf("%f",&rate); printf("\nenter time "); scanf("%f",&time); compoundi(principal,rate,time); getch(); }