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 estimates FEATURES: • 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 keystrokes Dimensional 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 Slope Built-in Area and Volume Solutions • Length, Width, Height (Depth) keys • Square and Cubic formats • Instant Weight per Volume • Pounds, Tons, Kilograms or Metric Tons Special 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 Preferences For: Engineers, Designers, Excavators, Highway and Heavy Construction