In this tutorial, we will discuss the C program to Electricity bill calculation using the function
In this article, we will discuss how to calculate the electricity bill in the C programming language using the function
We can calculate monthly electric power usage in many ways in the C programming language
In this tutorial, I have written two programs for calculating electricity bill in C language using the function.
Before we write a program to calculate the electricity bill we must understand electricity charges and rates.
/*1 - 100 unit - 1.5/= 101-200 unit - 2/= 201-300 unit - 3/= above 300 - 4/=*/
In my previous post, I have explained to the C program to calculate the electricity bill
However, in this program, we embed the logic of the Calculate electricity bill program in the function
Once this program received the units and it will calculate the electricity bill and cost per month
After receiving the input from the user, it is stored in the variable of the unit and then program calculate electricity bill
This program can have the following common procedures for completion of this program
Calculate electricity bill without && operator
Program 1
#include <stdio.h>
#include <stdlib.h>
int calc_Electricity();//function prototype
int main()
{
//rates apply
// 1- 50 units - 1.50
//51- 150 units - 2.00
//101 - 250 units - 3.00
//above 251 units - 4.00
int unit=0;
printf("Enter total mun its consumed\n");
scanf("%d",&unit);//Reads input from user and store in variable unit
calc_Electricity(unit);//function call
return 0;
}
int calc_Electricity(int unit){//function definition
double amount;
if(unit<=50)
{//below 50 units
amount=unit*1.50;
}
else if(unit<=150)
{//below 150 units
amount=((50*1.5)+(unit-50)*2.00);
}
else if((unit<=250)){//below 250 units
amount=(50*1.5)+((150-50)*2.00)+(unit-150)*3.00;
}
else{//above 250 units
amount=(50*1.5)+((150-50)*2.00)+((250-150)*3.00)+(unit-250)*4;
}
printf("Electricity bill = Rs. %.2f",amount);
//display the output on the screen
}
When the above code is executed, it produces the following results
Enter total units consumed 275 Electricity bill = Rs.675.00
Program 2
Calculate electricity bill with && operator
#include <stdio.h>
#include <stdlib.h>
int calc_Electricity();//function prototype
int main()
{
//rates apply
// 1- 50 units - 1.50
//51- 150 units - 2.00
//101 - 250 units - 3.00
//above 251 units - 4.00
int unit=0;
printf("Enter total units consumed\n");
scanf("%d",&unit);//Reads input from user and store in variable unit
calc_Electricity(unit);//function call
return 0;
}
int calc_Electricity(int unit){//function definition
double amount;
if((unit>=1)&&(unit<=50))//between 1 - 50 units
{
amount=unit*1.50;
}
else if((unit>50)&&(unit<=150))//between 50 150 units
{
amount=((50*1.5)+(unit-50)*2.00);
}
else if((unit>150)&&(unit<=250)){//between 150 - 250 units
amount=(50*1.5)+((150-50)*2.00)+(unit-150)*3.00;
}
else if(unit>250){//above 250 units
amount=(50*1.5)+((150-50)*2.00)+((250-150)*3.00)+(unit-250)*4;
}
else{
printf("No usage ");
amount=0;
}
printf("Electricity bill = Rs. %.2f",amount);
}
When the above code is executed, it produces the following results
Enter total units consumed 255 Electricity bill = Rs.595.00
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Write a C program using BREAK and looping statement to compute bill payment of
electrical consumption for different users. In order to promote saving, Tenaga
National Berhad (TNB) charge a lower rate to users with lower consumption as
shown in Table