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Construction Master Pro Trig
Model # 4080

Advanced Feet-Inch-Fraction Construction-Math Calculator with Full Trigonometric Functions

The Construction Master Pro Trig Feet-Inch-Fraction calculator provides the building professional complete trigonometric function. This powerful and advanced construction-math calculator features new built-in solutions and expanded preference selection. It allows you to easily determine precise angle measurements and solve the most complex design and construction-math problems. Perfect for estimating materials and costs. In the field or office it helps assure accuracy, save time and money.

Calculations:

• Work in and convert between any building dimension, including Metric
• Trigonometric Function
• Find Weight per Volume
• Built-in Right-Angle solutions
• Complete Stair Layouts
• Roof, Rafter and Framing solutions
• Circular: Arcs, Circumference, Segments and More

New Features, Functions and Enhanced Solutions:

• Stairs – Set Riser Height and solve for Stairwell Opening
• Studs – Find number On-center for an entered Length
• Compound Miter Cuts Arched Rake-Walls
• Equal sided Polygons

For Contractors, Architects, Engineers, Project Managers, Estimators, Draftspersons, Builders, Framers, Carpenters, Tradespersons

Dimensional Math and Conversions

• Work in and convert between all building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet and Inches and Metric – including Area and Volume
• D:M:S to Decimal Degree conversions
• Weight per Volume
• Full Trigonometric Function: Sine, Cosine, Tangent, Arcsine, Arccosine and Arctangent simplify complex design and construction-math

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
• 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 Miter 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
• 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: Allows for review of last 20 entries; double-check totals
• Standard Calculations: Works as a math calculator with +, -, +/-, x, ÷, %, ?, 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 

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If you draw or sketch in your work, this other item will be useful --  

You can draw straight-line drawings -- FREEHAND -- with a

QuickLiner Notebook -- sold in our eBay Store

Please allow a minute for 30-second demo to fully download after you click this URL below !   VIEW DEMO ---->     http://line-design.com/quicklinerDYIdemo.wmv.mpeg     <----VIEW DEMO   ************************** 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 3-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