financial-calcs

A lightweight, reusable TypeScript library to perform financial calculation. This package contains pure calculation functions for:

• Federal Employee Retirement System (FERS) Pension projection
• Retirement Savings projection
• Social Security Benefit projection
• Mortgage Amortization

All functions are decoupled from UI logic and can be used in any TypeScript or JavaScript project.

Installation

npm install financial-calcs

or with Yarn:

yarn add financial-calcs

Notes

• All functions are pure and have no side effects.
• Ideal for use in React, Vue, Node.js, or any TypeScript/JavaScript environment.
• Works well for building projection tables, charts, or integrating into financial planning tools.

Contributing

If you want to contribute:

1. Fork the repository
2. Make your changes in a separate branch
3. Add unit tests
4. Open a pull request

License

MIT