Advanced Financial Calculator Development

I'm looking for a skilled developer to create a financial calculator with detailed analysis for our website as well as being standalone full screened on a screen for trade shows. This calculator will allow users to input various variables related to savings using our product as wel as being able to manipulate the variables with a slider. Its supposed to be an interactive tool. I have the calculations so its just the design.

Key Requirements:
- Build a comprehensive financial calculator
- Input multiple variables
- Detailed financial analysis
- Integrate seamlessly into our existing website

Ideal Skills:
- Strong programming skills
- Experience with financial tools/calculators
- Web development expertise
- Ability to deliver within a month

Please provide detailed project proposals in your application.