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Construction Master Pro Advanced Construction Math Calculator #4065
from Calculated Industries
ASIN: B0007Q3RGQ

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!
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
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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
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Features
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, ÷, %, ?, 1/x, X2, and v
- 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
Calculator Specifications
- 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
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Construction Management Titles

Be a Successful Building Contractor
by R. Dodge Woodson
Blueprint Reading for Construction
by James A. S. Fatzinger
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