program15_3.c

#include <stdio.h>

int main (void) {
  float d;
  float half, square, cube;

  printf("Enter a number between 1 and 100: \n");
  scanf("%f", &d);
  half = d/2;
  square = d*d;
  cube = d*d*d;

  printf("\nYour number is %.2f\n", d);
  printf("\nHalf of that is %.2f\n", half);
  printf("\nSquare it to get %.2f\n", square);
  printf("\nCube it to get %.2f\n", cube);

  return 0;
}