Basic Arithmetic Excel Calculator

I'm in need of an expert in Excel to create a basic arithmetic calculator. It is crucial that this calculator can perform the following operations:
- Addition
- Subtraction
- Multiplication
- Division

Please note that I haven't yet decided how exactly the calculator will be used (e.g., standalone, embedded, integrated). Your expertise and advice in this area would be greatly appreciated.

Ideal Skills and Experience:
- Proficiency in Excel
- Experience in creating calculators
- Strong understanding of basic arithmetic operations
- Excellent communication skills to help me decide on the best use for this tool

Looking forward to receiving your bids. Feel free to provide examples of similar projects you've completed in the past.