Construction Master Pro Advanced Construction Math Calculator #4065

For Contractors, Estimators, Architects, Carpenters, Framers, Draftspersons, Engineers, Builders & Trades persons
The 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!

• 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

• 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

• 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, ÷, %, ?, 1/x, X2, and v
• Automatic Shut-Off saves battery life

• 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

• Size: 5.6 x 3.0 x 0.6" (142.2 x 76.2 x 15.2 mm)
• Product Weight (Including Case and Pocket Reference Guide) 4.5 oz. (127.5 g)
• Power: Two 1.5-Volt Alkaline Batteries (LR-44/A76)
• Battery Life: Approx. 1-2 years of actual usage
• Auto Shut-off: 8-12 min.
• Keypad: 42 keys, soft-touch silicone rubber
• Pocket Reference Guide: 36 pp.; 2.4 x 4" (60.9 x 101.6 mm)
• Case: Protective hard case; black
• Operating Temperature: 32-130 deg. F (0-55 deg. C)
• Display Type: LCD segment; 11 digits (7 normal, 4 fractions), with annunciator-legends
• Display Dimensions: 0.63 x 2.5" (16.0 x 63.5 mm)
• Accuracy: 10 digit internal accuracy