Excel Calculator Creation

I'm in need of a proficient Excel expert to help me create a custom calculator based on my specific instructions.

Key Features:
- Basic arithmetic calculations
- Custom formatting for results

Data Input:
- The calculator will need to handle both text and numbers.

Ideal Skills:
- Advanced Excel skills
- Experience with creating custom calculators
- Good understanding of basic arithmetic operations
- Ability to implement custom formatting in Excel
- Proficient in handling and processing text and numbers in Excel