Windows Desktop Math App Development

I'm looking for a developer to create a simple Windows desktop application for performing algebraic calculations. The interface doesn't need to be highly sophisticated, but it should be functional and user-friendly.

Key Requirements:
- Perform algebraic operations based on user-defined parameters
- Option to save and load input parameters for future use
- Provide a cost estimate for adding an online database option for remote data storage

Ideal Skills & Experience:
- Proficiency in Windows desktop application development
- Strong understanding of algebraic operations
- Experience in implementing save/load functionalities
- Knowledge of online database integration