Online Calculator System In Java Using JSP And Servlet With Source Code

Online Calculator System Project in Java using JSP and Servlet. This project is designed for both third-year and final-year students and is available with source code.

Online Calculator System Project In Java

It is a multi-role application project i.e. Admin and Guest User, where Admin will have the main control over the system.

Admin will update and maintain the overall system and manage guest users. Admin can configure the calculator, and add/remove/update different years and dates.

The whole project is developed using Servlet and JSP. At the front end, we have used HTML, CSS, and Bootstrap. At the data access layer, we have used JDBC API. The Database used here is MYSQL. The whole project is following the MVC (Model View & Controller) design pattern.

Online Calculator System Abstract

An Online Calculator is a software application that allows users to do calculations online. It has all the mathematical functions.

For this, Codebun has developed an Online Calculator System in java using JSP and Servlet with two main roles i.e. Admin & Guest User. Admin being the primary user, can Add/Remove/Update any details related to the system. Admin can configure the calculator. Admin can Add/Remove/Update different mathematic functions and formulas.

On the other hand, guest users will be able to use the Calculator. Upon accessing the Calculator, the User can do calculations and the result will be displayed on the screen.

The following are the major objective of this application:

  1. To provide a bug-free application.
  2. The main objective is to build a secured, robust Calculator System.
  3. Maintain math functions and formulas.

Modules of Online Calculator System

Admin Module- In this module, Admin can manage all the operations related to the system.

Guest User Module- Users can access the Calculator.

Calculator Module- In this module, Users will be able to do calculations.

User Roles of Online Calculator System

Two users can interact with this application 1) Admin 2) Guest User


  • Can Log in/Log out of the system.
  • Admin can man the system.
  • Can man guest users and their details.
  • Can change password.
  • Can man “My Profiles”.

Guest User: Users can calculate using the Calculator. Guest users need not log in to the system to access the Calculator.

Flow Diagram of Online Calculator System

Tools and Technologies Used

Technology/Domain: Java
Front-End: JSP, Html, CSS, JS, Bootstrap.
Server-side: Servlet.
Back-end: MYSQL.
Server: Tomcat 8.5.

Contact to get the Source Code

Skype Id: jcodebun

Note: If you need the source code you can contact Us. We will provide complete source code and all the required things like Database and project reports with all the diagrams. Also, we have created a STEP by STEP configuration tutorial to help you in the configuration process.

If you find any kind of difficulties during the configuration, we will provide a complete project configuration guide remotely using any Desk or Zoom.