4065 Construction Master® Pro

Calculated Industries 4065 Construction Master® Pro

Sets the industry standard for advanced construction-math calculators.

It provides powerful built-in solutions and expanded preference settings. It’s easy to use in the field or office and perfect for completing plans, layouts, bids and estimates – saves time, money, materials, and frustration.

Work smarter, build better, and improve your bottom line with the Construction Master Pro!

Calculations

• Work in and convert between building dimensions, including Metric
• Built-in Right-Angle solutions
• Areas, Volumes, Square-ups, Complete Stair Layouts, Roof, Rafter and Framing solutions
• Circle: Arcs, Circumference, Segments
• New Features, Functions, and Enhanced Solutions: Drywall – Siding and Panels
• Stairs – Riser Height and solve for Stairwell Opening
• Studs On-center, Compound Miter Cuts, Arched Rake-Walls
• For Contractors, Estimators, Architects, Carpenters, Framers, Draftspersons, Engineers, Builders, Tradespersons

Dimensional Math and Conversions:

• Work in and convert between building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet-Inches, and Metric – including Area and Volume
• D:M:S to Decimal Degree conversions
• Find Weight per Volume
• Built-in Time Saving Functions
• Complete Stair calculations for Risers, Treads, Stringer Length and Incline Angle, Set, Riser Height and solve for Stairwell Opening
• Built-in Right-Angle Functions for Square-ups, Slopes, and more
• Area, Volume, and Perimeter solutions with Length, Width, and Height Keys
• Drywall, Siding, and Paneling Key calculates 4x8, 4x9, or 4x12 Sheets to cover an Area
• Roof Function finds Area, Bundles, Squares, and 4x8 Sheathing for Flat or Pitched Roofs
• Custom Rafter Function provides Common Rafters, Regular and Irregular Hips, Valleys and Jacks; instant Cutting Angles (Cheek, Level, and Plumb)
• Jack Rafter results for Regular and Irregular Pitch Roof
• Find Rake-Wall Studs with On-center spacing
• Compound Miter – Store Crown Angle and Enter Wall Corner Angle to calculate the Blade Tilt and Angle for Miters cuts
• Advanced solutions for Circles, Arches, Columns, Cones, Pillars, Windows, and Post-holes
• Arched Rake-Walls with On-center Spacing Studs – Calculate the number of On-center Studs for an entered Length
• Equal Sided Polygon – Calculate Corner and Bi-sect Angles, Side Length, Perimeter, and Area
• Block and Footing solutions
• Board Feet Lumber estimating

Additional Features

• User Preferences: Set custom defined options such as Fractional settings for 1/2” to 1/64” and Stair Headroom Height, Decimal Degrees, and more
• Exponential Notation: Enter and display exponential values
• Backspace Key: Makes it easy to change just-entered values
• Constant Operator: Simplifies repetitive calculations
• Cost per Unit: Easily solve unit costing and pricing
• Accumulating Memory (M+) – Plus three additional Memory Storage locations
• Paperless Tape: Review of last 20 entries; double-check totals
• Standard Calculations: works as a regular math calculator with +, -, +/-, x, ÷, %, π, 1/x, X2, and √
• Automatic Shut-Off saves battery life
• Includes Protective Hard Slide Cover, Easy-to-follow User's Guide, Handy Pocket Reference Guide in English and Spanish
• Long-Life Batteries
• Full One-Year Limited Warranty
• English and Spanish CD-ROM with “How To” Video and User’s Guide

Tech Specs

• Size: 5.6” x 3.0” x 0.6” (142.8mm x 76.2mm x 15.9mm)
• Product Weight: 4.5 oz. (127.5 gm)
• Includes Case and Pocket Reference Guide
• Power: Two 1.5-volt (LR-44/A76) Long-life Batteries
• Display Type: 11 Digits (7 normal, 4 Fractions) with Full Annunciators
• Display Dimensions: 0.625” x 2.5” (15.88 mm x 63.5 mm)
• Accuracy: 10 Digit Internal Accuracy