Calculated Industries

Calculated Industries Construction Master Pro Calculator 4065

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  • Front face of Calculated Industries Construction Master Pro
  • Advanced feet-inch-fraction construction-math calculator
  • Powerful built-in solutions deliver answers so you can do your job
  • Reference guide and online videos make using easy
  • Rugged shock-proof Armadillo Gear cover included
  • Large easy-to-read digital display
  • Comes with a rugged Armadillo Gear case, pocket reference guides in English and Spanish and a long-life battery
  • Master building fractions provide the solution to construction math



Calculated Industries Construction Master Pro Calculator 4065

The Construction Master Pro Calculator 4065 from Calculated Industries is the industry's gold standard for advanced construction-math calculations. Recognized with awards for its precision and versatility, this calculator is an indispensable tool for anyone involved in construction. Whether you're in the office or on the job site, the Construction Master Pro will help you calculate layouts, plans, bids, and estimates with speed and accuracy, ensuring your projects are completed on time and within budget.

Key Features:

  • Versatile Calculations: Effortlessly work with and convert between feet-inches-fractions and metric units.
  • Comprehensive Functionality: Tackle areas, volumes, and square-ups, as well as complete stair, roof, and framing layouts.
  • Advanced Geometry: Solve for circles, arcs, circumferences, segments, and more for complex structures.
  • Efficient Design: Built-in right-angle solutions and user preferences for streamlined operation.
  • Material Estimation: Calculate the number of drywall sheets, siding, and panels needed with ease.

Designed for Construction Experts:

The Construction Master Pro is tailored for professionals who demand accuracy and efficiency. Contractors, estimators, architects, carpenters, and engineers will find this tool invaluable for quickly solving a wide range of construction problems. From simple area calculations to complex rafter and framing solutions, this calculator handles it all.

Additional Advantages:

  • Customizable Settings: Adjust settings for fractional measurements, stair headroom height, and more to fit your specific needs.
  • Memory Functions: Keep track of your calculations with accumulating memory and additional storage locations.
  • Cost Analysis: Simplify unit costing and pricing with the cost per unit function.
  • Review Capability: Utilize the paperless tape feature to review the last 20 entries for accuracy.

What's Included:

  • Construction Master Pro Calculator 4065
  • Armadillo Gear protective case
  • English/Spanish Pocket Reference Guides
  • Two LR44 batteries
  • One-year limited warranty

Support Materials:


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Warranty Information

Includes one-year limited warranty from Calculated Industries
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Additional Information

5.7 x 3.0" x 0.65" (145 mm x 76 mm x 17 mm)
Product Weight:
4.6 oz. (130 gm) Includes case and Pocket Reference Guide
Two 1.5-volt LR-44/A76 long-life batteries
Display Type:
11 digits (7 normal, 4 fractions)
Display Dimensions:
0.625" x 2.5" (16 mm x 63.5 mm)
12 digit internal accuracy
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