Packed with the most valuable reference tools required in everyday residential carpentry and framing, the DEWALT Carpentry Quick Check: Extreme Duty Edition will give you the knowledge you need to master the mathematical aspects of carpentry. From math calculations and fastener schedules to span tables, load calculations, and framing, this innovative resource has identified the formulas that are most critical, and presents them using a clear, step-by-step approach. The guide's comprehensive yet concise content is complemented by its practical packaging: a tough, sturdy cover and laminated pages make it a toolbox- and site-friendly tool, and its quick-reference tabs provide at-your-fingertips information, any time that you need it. Check out our app, DEWALT Mobile Pro . This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro."