> ## 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.

# Explore Calcs.com Features

> What Calcs.com does for structural engineers, from calculators and load linking to reports, with short video walkthroughs of each feature.

<CardGroup cols={2}>
  <Card title="Run engineering calculations" icon="calculator" href="/docs/calculators">
    Use our ever-growing library of engineering calculators to design, analyze and defend your projects.
  </Card>

  <Card title="Build projects" icon="folders" href="/docs/projects">
    Link calculations together for one site or project, and export your work in a click.
  </Card>

  <Card title="Link loads between members" icon="link" href="/docs/running-calculations/linking-loads/link-loads-and-units">
    Reactions flow automatically between connected calculations. Change a load once and everything linked updates.
  </Card>

  <Card title="Export calculation reports" icon="file-export" href="/docs/running-calculations/exporting-reports/export-project-pdf">
    Inputs, formulas, code references and results, formatted and ready for clients or permit submission.
  </Card>

  <Card title="See the standard behind every check" icon="book-2" href="/docs/running-calculations/standards-and-codes">
    Each formula is linked to the standard and clause that governs it, visible inside the calculation.
  </Card>

  <Card title="Built-in materials and sections" icon="database" href="/docs/calculators">
    Steel, timber and concrete properties are built in and tied to the applicable standards.
  </Card>

  <Card title="Change material in one click" icon="refresh" href="/docs/running-calculations/change-material">
    Swap timber for steel, concrete or cold-formed steel with the same inputs and design criteria.
  </Card>

  <Card title="Site data from the project address" icon="map-pin" href="/docs/projects/project-defaults/setting-up-project-defaults-site-parameters">
    Enter an address to pull wind, seismic and snow parameters for that location.
  </Card>

  <Card title="Preferred sections and Autosize" icon="list-check" href="/docs/projects/preferred-sections/use-preferred-sections-autosize">
    Keep your team selecting from the right list, and let Autosize pick the optimal section from it.
  </Card>
</CardGroup>

## More from Calcs.com

<CardGroup cols={2}>
  <Card title="CalcsAI" icon="sparkles" href="/docs/calcsai">
    Ask engineering questions inside Calcs.com
  </Card>

  <Card title="Calcs Builder" icon="tools" href="/docs/calcs-builder">
    Create custom engineering calculations without coding
  </Card>

  <Card title="Integrations" icon="plug-connected" href="/docs/integrations">
    The CalcsConnect API and the CalcsCAD plugin
  </Card>
</CardGroup>

## Feature walkthroughs

Short videos showing the features engineers use most.

<CardGroup cols={2}>
  <Card title="Traffic Light Checks" icon="video" href="/docs/running-calculations/checking-results/traffic-light-checks">
    See at a glance whether each check passes
  </Card>

  <Card title="Member Selector" icon="video" href="/docs/running-calculations/member-selector">
    Compare sections and pick the best member
  </Card>

  <Card title="Export" icon="video" href="/docs/running-calculations/exporting-reports/views-and-export">
    Standard vs detail view; one-page summary and PDF export
  </Card>

  <Card title="Change Material" icon="video" href="/docs/running-calculations/change-material">
    Swap calculator material; links stay intact
  </Card>

  <Card title="Load Linking" icon="video" href="/docs/running-calculations/linking-loads/linking-loads-reactions-between-calculators-load-path-tracking">
    Link reactions between calculators, from gravity members to the lateral load path
  </Card>

  <Card title="Project Defaults" icon="video" href="/docs/projects/project-defaults/setting-up-project-defaults-site-parameters">
    Site parameters and linking defaults to calculators
  </Card>

  <Card title="Organize Your Projects" icon="video" href="/docs/projects/create/organize-your-projects">
    Folders, grouping, and project structure
  </Card>

  <Card title="US Calculator Tutorials" icon="brand-youtube" href="https://www.youtube.com/playlist?list=PLwFkjPO8wrdIHZ4oY3_I203zKEGySNegP">
    The full US tutorial playlist on YouTube
  </Card>

  <Card title="AU/NZ Calculator Tutorials" icon="brand-youtube" href="https://www.youtube.com/playlist?list=PLwFkjPO8wrdJs-irGs9OVfkx0Nx0sPJMw">
    The full AU/NZ tutorial playlist on YouTube
  </Card>

  <Card title="Calcs.com YouTube Channel" icon="brand-youtube" href="https://www.youtube.com/@getcalcs">
    Webinars, product updates, and new calculator demos
  </Card>
</CardGroup>

## Calculator tutorials

Video walkthroughs sit inside each calculator guide. The full regional playlists are on YouTube.

<CardGroup cols={2}>
  <Card title="US Calculator Tutorials" icon="brand-youtube" href="https://www.youtube.com/playlist?list=PLwFkjPO8wrdIHZ4oY3_I203zKEGySNegP">
    The full US tutorial playlist on YouTube
  </Card>

  <Card title="AU/NZ Calculator Tutorials" icon="brand-youtube" href="https://www.youtube.com/playlist?list=PLwFkjPO8wrdJs-irGs9OVfkx0Nx0sPJMw">
    The full AU/NZ tutorial playlist on YouTube
  </Card>

  <Card title="Calcs.com YouTube Channel" icon="brand-youtube" href="https://www.youtube.com/@getcalcs">
    Webinars, product updates, and new calculator demos
  </Card>
</CardGroup>