Custom Risk Calculator Tool

I need a specialized risk calculator tool to assess both cash risk and percent of account risk. The tool should be tailored to my specific needs and should be user-friendly.

Key Requirements:
- Ability to calculate both cash risk and percent of account risk
- Customizable parameters based on user input
- User-friendly interface
- Ideally, experience in finance or risk management
- Proficiency in software development or relevant programming languages

Please provide examples of similar work done.