Matrix Calculator - SEO Optimized

A Next.js 14+ application with internationalization (i18n) for matrix calculations with step-by-step solutions.

Features

• Multi-language Support: English and Spanish
• SEO Optimized: Dynamic metadata, JSON-LD structured data, and localized URLs
• Step-by-Step Solutions: Detailed explanations for inverse matrix, RREF, and multiplication
• Mobile Friendly: Custom keypad for easy input on mobile devices
• Fraction-based Calculations: All calculations use fractions for precision

Supported Calculators

1. Inverse Matrix Calculator - Flagship feature (KD 26)
2. RREF Calculator - Blue ocean market (KD 22)
3. Matrix Multiplication Calculator - High CPC value
4. Matrix Determinant Calculator
5. Eigenvalue Calculator
6. Matrix Rank Calculator

Project Structure

src/
├── app/
│   ├── [locale]/           # Internationalized routes
│   │   ├── [tool]/         # Dynamic tool pages
│   │   ├── layout.tsx
│   │   └── page.tsx
│   └── page.tsx            # Root redirect
├── components/
│   ├── engines/            # Pure math logic
│   │   ├── Fraction.ts
│   │   ├── InverseSteps.ts
│   │   ├── RREFSteps.ts
│   │   └── MultiplicationSteps.ts
│   ├── calculators/        # UI components
│   │   ├── MatrixInput.tsx
│   │   ├── Keypad.tsx
│   │   ├── StepViewer.tsx
│   │   └── CalculatorWrapper.tsx
│   ├── ads/               # Ad components
│   │   └── AdSlot.tsx
│   └── seo/               # SEO components
│       └── FAQSection.tsx
├── lib/
│   ├── tools-config.ts     # Tool configuration
│   └── seo-schema.ts       # JSON-LD generator
└── i18n.ts                 # i18n configuration

messages/
├── en.json                 # English translations
└── es.json                 # Spanish translations

Getting Started

Prerequisites

• Node.js 18+
• npm, yarn, or pnpm

Installation

npm install

Development

npm run dev

Open http://localhost:3000 in your browser.

Build

npm run build

Production

npm start

URL Structure

• English: /en/inverse-matrix-calculator
• Spanish: /es/calculadora-matriz-inversa

SEO Features

• Static Generation (SSG): All pages are pre-built for maximum performance
• Dynamic Metadata: Title and description generated per tool and locale
• JSON-LD: Structured data for SoftwareApplication schema
• Canonical URLs: Proper canonical and alternate language links
• FAQ Sections: Long-tail keyword targeting

Math Engine

All calculations are based on the Fraction class to ensure precision:

• GCD-based simplification
• Support for negative numbers
• LaTeX output for display

License

MIT