Online Linear Equations Calculator Website

I need a website that features an online calculator specifically for solving linear equations. The site will have newsletter that can be send to the registered users and educational paid videos in how to use the formulas. Also there is a textbook will be advertised in the website so users can learn how to use the equations. The site will also include user registration, login, and a yearly subscription option. Key Features: - Online calculator for linear equations - newsletter that can send to the users. - User authentication via email and password - Registration and login functionalities - Yearly subscription plan Ideal Skills & Experience: - Web development (frontend and backend) - Experience with user authentication systems - Familiarity with subscription-based models - Knowledge in creating online calculators

Project ID: 40525425