AI-Powered Calculator Website

Create a comprehensive project outline for a website that features an age calculator, a normal calculator, and a loan calculator, all powered by AI technology. The website should be designed with a user-friendly interface and responsive design. 

**Website Features:**  
1. **Age Calculator**:  
   - Input fields for date of birth and current date.  
   - Calculate age in years, months, and days.  
   - Display zodiac sign based on birth date. 

2. **Normal Calculator**:  
   - Basic arithmetic operations (addition, subtraction, multiplication, division).  
   - An advanced mode for scientific calculations (trigonometry, logarithms).  

3. **Loan Calculator**:  
   - Input fields for loan amount, interest rate, and term length.  
   - Calculate monthly payments and total interest paid.  
   - Provide an amortization schedule. 

4. **AI Implementation**:  
   - Utilize AI to provide suggestions or financial tips based on user input.  
   - Implement natural language processing to allow users to input calculations in a conversational manner. 

5. **Responsive Design**:  
   - Ensure the website is mobile-friendly and accessible on all devices.  
   - Use modern web design practices for usability and aesthetics. 

6. **User Engagement**:  
   - Include a feedback form for improvements or additional features.  
   - Offer a newsletter signup for updates on new features or financial tips.