Advanced Pipe Trades Math for iPhone The Pipe Trades Pro for iPhone smartphone gives you instant answers for all your pipe layout and design problems, including complex rolling offsets, parallel pipe cutbacks, weight/volume conversions, flow rates, pressures, areas and more. If you've ever used a smartphone to look up pipe data or do a pipe layout calculation, you'll like this app. With the Pipe Trades Pro you'll spend less time calculating and looking at charts and more time cutting, welding and placing pipe. For: Pipefitters, Steamfitters, Sprinklerfitters and Welders Calculations - Cut Lengths, Take-outs and Odd-Degree Fittings - Right Angles, Offsets, and Complex Rolling Offsets - Fitting Angles, Bends, Slopes, Percent Grades, Drops - Parallel Pipe Cutbacks - Feet-Inch-Fractions and Trigonometry - Pipe Areas, Fill Weights - Flow Rates, Velocity, Force, Volumes - Pressure Loss for any Pipe Size, Type or Distance - Complete Building, Plumbing and Metric Unit Conversions Built-in Pipe Data - Choose a Pipe Material and Pipe Type and enter Size up to 42-inches and get Diameters, Wall Thickness, Filled Weight per Foot, Internal Area. - Seven different Pipe Materials: Steel, Stainless Steel, Brass, Aluminum, Cast Iron, Plastic, Copper. SUBSCRIPTION INFORMATION: The first 7 days are free. Subscriptions offered will automatically renew at the end of the chosen period. Payment will be charged to your Apple account upon purchase confirmation. The subscription will automatically renew unless auto-renew is turned off or subscription is canceled in settings at least one day (24-hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Subscriptions.