Construction Master 4050 Features

• User Preferences: Set custom defined options such as Fractional settings for 1/2, 1/4, 1/8, 1/16, 1/32, and 1/64
• Backspace Key: Makes it easy to change just-entered values
• Cost per Unit: Easily solve unit costing and pricing
• Paperless Tape: Allows for review of last 20 entries; double- check totals
• Standard Calculations: Works as a math calculator with +, -, +/-, x, ÷, %, pi, 1/x, X2, and √.
• Automatic Shut-Off saves battery life

Dimensional Math and Conversions

• Works in and converts between building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet-Inches and Metric – including Area and Volume
• Find Weight per Volume

Dedicated Functions

• Stair calculations for Risers, Treads, Stringer Length and Incline Angle; displays Run and Rise
• Custom Rafter Function provides Common Rafters, Regular and Irregular Hips, Valleys and Jacks. Jack Rafter feature provides complete solutions for Regular and Irregular Pitch roofs. Displays On-center spacing.
• Solutions for Circles, Arcs, Columns, Pillars, Windows, Post-holes and more
• Rake-Wall function determines Stud Length for any On-center Spacing, in Ascending or Descending order
• Board Feet Lumber estimating

Includes

• Protective 360° Hard Cover Door
• Easy-to-follow Pocket User’s Guides in English and Spanish
• Long-Life Battery
• Full One-Year Limited Warranty
• English and Spanish CD-ROM with “How-To” Video and User’s Guide

Specifications

• Size: 5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm)
• Product Weight: 4.15 oz. (117.7 gm) Includes Case and Pocket Reference Guide
• Power: One 3-volt (CR-2016) Long-life Battery
• Display Type: LCD: 11 Digits (7 normal, 4 Fractions) with Full Annunciators
• Display Dimensions: 0.73” x 2.56” (19 mm x 65 mm)
• Accuracy: 10 Digit Internal Accuracy