Bex-Labs/taxcalc-nta-2025

Modern Nigerian PAYE and payroll calculator built with Supabase authentication and local payroll analytics. Designed to support Nigeria Tax Act (NTA) 2025 computations for individuals and payroll administrators. # TaxCalc NTA 2025 Modern Nigerian PAYE and payroll calculator built with Supabase authentication and local payroll analytics. Designed to support Nigeria Tax Act 2025 computations for individuals and payroll administrators. ## Overview TaxCalc NTA 2025 is a Nigerian tax calculation web application that helps users estimate PAYE, payroll deductions, taxable income, tax reliefs, and net salary outcomes through a simple digital interface. The platform is designed for individuals, payroll teams, finance officers, and administrators who need a structured tool for salary and tax computation workflows. ## Live Application taxcalc-nta-2025.vercel.app ## Key Features * Nigerian PAYE tax calculation workflow * Gross-to-net salary estimation * Payroll deduction support * Taxable income and relief calculation support * Individual user access through authentication * Payroll administrator workflow support * Local payroll analytics * Responsive web interface * Structured calculation output * Supabase-backed authentication and data support ## Tech Stack * HTML5 * CSS3 * JavaScript * Supabase * Supabase Auth * Vercel ## Project Structure ```text taxcalc-nta-2025/ ├── .vscode/ ├── assets/ ├── 404.html ├── index.html ├── script.js ├── style.css ├── vercel.json └── README.md ``` ## Main Files ### `index.html` Contains the main application layout, calculator interface, page structure, and client-facing content. ### `style.css` Contains the application styling, responsive layout rules, calculator interface design, and visual formatting. ### `script.js` Contains the application logic for tax calculation workflows, user interactions, Supabase integration, and payroll-related functionality. ### `assets/` Stores static project assets such as images, icons, logos, or supporting frontend resources. ### `vercel.json` Contains Vercel deployment configuration for the static application. ## Use Cases * Individual PAYE estimation * Payroll calculation checks * Sa …