> ## Documentation Index
> Fetch the complete documentation index at: https://calcs.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Started with Calcs Builder

> Build your first calculations in Calcs Builder and learn the practices that keep them fast.

> **[Quick Start Guide: Pythagoras Theorem Calculator](https://calcs.com/docs/calcs-builder/quick-start-guide.md)**
>
> 'Build a Pythagorean theorem calculator in Calcs Builder in under 5 minutes'

> **[Your First Calculation: Area Calculator](https://calcs.com/docs/calcs-builder/your-first-calculation.md)**
>
> 'Build an area calculator (length × width) in Calcs Builder: video walkthrough + key steps'

> **[Best Practices](https://calcs.com/docs/calcs-builder/best-practices.md)**
>
> 'Design guidelines and best practices for creating effective Calcs Builder templates'

> **[Performance Tips](https://calcs.com/docs/calcs-builder/performance-tips.md)**
>
> 'Optimize your Calcs Builder templates for better performance and user experience'


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