Calculated Industries 4325 Heavy Calc Pro Calculator Save time, eliminate costly errors, reduce material and labor expenses on all construction jobs. Built-in functions quickly find solutions for Area, Volume, Weight, Slopes, Swell, and Shrink, Cut/Fill and More! Learn more about this product here: HeavyCalc Pro Intro and How To Use Main Features: Work in and convert between all building dimensional formats, including Metric. The most effective equipment, manpower planning and estimating tool you can own! Work in and convert between Yard, Feet-Inch-Fraction and Metric formats! Automatically calculate Areas and Volumes! Square-ups and Right Angles; Percent Grade and Slope; stakeout Drops, Ramps, Trenches, much more! Weight per Volume (Lbs, Tons, Kg)! Find percent (%) Swell and Shrink! Simplify Cut/Fill Estimates For: Engineers, Designers, Excavators, Highway and Heavy Construction Professionals. Dimensional Math and Conversions: Work in and Convert Between Any Construction-Math Formats! Calculate and convert in Feet-Inch-Fractions, Decimal Yards, Feet (i.e. 10ths), Inches and Fractions, Meters and Millimeters – including Square and Cubic formats. Automatically Calculate Areas and Volumes! Easily find Areas and Volumes using dedicated Length, Width and Depth keys. Dedicated Functions- Square-ups and Right Angles! Percent Grade and Slope keys give you instant Right Angle solutions for Diagonals; easily stakeout Drops, Ramps, Trenches and More! Weight per Volume (Lbs, Tons, Kg)! Convert between weights and find the weight of material (i.e., Tons per Cubic Yard, etc.). Find Percent (%) Swell and Shrink! Quickly determine Bank, Compacted and Loose Soil Volumes for any job. Simplify Cut/Fill Estimates! Built-in Cut/Fill, Existing and Proposed functions make soil-volume estimates easy. “Average” Function! Speeds Grid-Cell - Cut/Fill estimates. Timesaving “Utility” Functions: “Paperless” Tape! Allows you to review the last 20 entries – great for plan checks and confirming strings of dimensions. Preference Setting for Fractions speed entries, Repeat operator (+, -, ÷, x) and Constant functions reduce keystrokes. Per Unit key for material costing estimates. Battery-Saving Auto Shut-Off. Tech Specs: Size: 5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm) Weight: 3.2 oz. (90.7 gm) – does not include Vinyl Case or User’s Guide Power: Single 3-volt (CR-2032) Long Life Battery Display Type: LCD, 11 Digits (7 Normal, 4 Fractions) with full Annunciators LCD Display Dimensions: 0.73” x 2.56” (19 mm x 65 mm) Accuracy: 12 Digit Internal Accuracy Includes Easy-to-follow User’s Guide Protective Hard Case Full One Year Limited Warranty