Pipe Trades functions: Right-Angles, Offsets and Complex Rolling Offsets, Fitting Angles, Bends, Angle/Slope, Percentage Grades, Drops, Feet-Inch-Fractions and Trig, Parallel Pipe Cutbacks, Pipe Areas, Fill Weights * Built-In-Pipe data with 7 different materials: Steel, Stainless Steel, Brass, Aluminum, Cast Iron, Plastic and Copper. Instantly solve pipe outside diameter, internal diameter, wall thickness, weight per foot, filled weight per foot, pipe internal data * Flow Rates, Velocity Force, Volumes, Liquid conversions, Temperature conversions, Paperless tape, Material Costing * Works directly in Yards, Feet, Inches, Fractions and Meters - including square and cubic formats. No need to convert to decimals. * Includes 2 Long life lithium batteries and a Armadillo Gear protective case