Calculated Industries 4065 Specifications:
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

Calculated Industries 4065 Includes:
(1) Construction Master Pro Calculator

Calculated Industries 4065 Features:
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 4×8, 4×9 or 4×12 Sheets to cover an Area
Roof Function finds Area, Bundles, Squares and 4×8 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