The HeavyCalc Pro calculator for your Android smartphone is built with the same features and functions, and the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. And while perhaps obvious, if you change from an Android device to an iPhone or iPad, you WILL need to buy a new license as they are incompatible. No learning curve. just one powerful, easy-to-use calculator app. Ideal for Engineers, Designers, Excavators, Highway and Heavy Construction. Work directly in and convert between all building dimensional formats: yards, feet-inch-fractions, inch fraction, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm). Easily calculate areas, volumes and weight per volume, and truck loads in imperial/metric. Quickly calculate square-ups, right angles. Simplify and speed up grid-cell and cut/fill estimatesFEATURES: Created by Calculated Industries, the originator of the award-winning Construction Master calculators. Built-in calculator help - just press and hold the desired key for full, clear definitions, explanations and examples of keystrokesDimensional Math and Conversions Including Metric. Yards. Feet-Inch-Fractions. Metric (m, cm, mm). Decimal Feet (10ths, 100ths), Decimal Inches. D. M. S. to Decimal Degree Conversions. Dedicated Functions and Keys Help You Calculate. Instant Square-up and Drop. Number of Loads: calculate Load volume, number of Loads, Load size. Cut/Fill estimates - proposed and existing. Shrink and Swell calculations using Compacted, Bank and Loose volumes. Calculate Percent Grade and SlopeBuilt-in Area and Volume Solutions. Length, Width, Height (Depth) keys. Square and Cubic formats. Instant Weight per Volume. Pounds, Tons, Kilograms or Metric TonsSpecial Functions. Entry Editing Backspace Key - with a swipe of a finger. Haptic Feedback (optional). Cost per Unit: Solve unit cost and pricing. Paperless Tape. 4 Memories. User-Definable PreferencesFor: Engineers, Designers, Excavators, Highway and Heavy Construction.