First need to remember the basic structure of C++ Language
Simple Structure C++
=================================
/* The first example program */ /* <-- The point at which the reminder that we write something. Days to read and understand. */
# include <stdio.h> /*<-- Choose a book that is relevant to what we will have to write this program. {Library File for using in c++}*/
# include <conio.h>
/* Begin the Body of the program --> */
main ()
{
float p,v,i; /* <-- A variable before you start running all the time. (Declarations) */
char ch;
clrscr (); /*<-- A standard function or command "clrscr ();" for clearing the screen of the program.*/
v = 220.0; /*<-- The default configuration parameters in the process below. (Assignment) */
/*Output message on screen -->*/
printf("Enter Current : ");
scanf("%f",&i); /* <-- Are getting value from the key board and store it in variable*/
printf("\n"); /*<--It were to start a new line.*/
p= v*i; /*<-- Part of the calculation.*/
# include <stdio.h> /*<-- Choose a book that is relevant to what we will have to write this program. {Library File for using in c++}*/
# include <conio.h>
/* Begin the Body of the program --> */
main ()
{
float p,v,i; /* <-- A variable before you start running all the time. (Declarations) */
char ch;
clrscr (); /*<-- A standard function or command "clrscr ();" for clearing the screen of the program.*/
v = 220.0; /*<-- The default configuration parameters in the process below. (Assignment) */
/*Output message on screen -->*/
printf("Enter Current : ");
scanf("%f",&i); /* <-- Are getting value from the key board and store it in variable*/
printf("\n"); /*<--It were to start a new line.*/
p= v*i; /*<-- Part of the calculation.*/
/*(Begin Output result on screen)*/
printf("The voltage = %f volts\n",v);
printf("The current = %f amperes\n",i);
printf("The power = %f watts\n",p);
printf("\n\n P= V x I \n");
printf("%11.2f = %5.2f x %5.2f\n",p,v,i);
getch(); /* <-- Function call */
} /*End main()*/
note: you can try understand to write :D