By TOOLS OF THE TRADE Editors
Versatile building-calculator software Construction Master Pro, Construction Master 5, and Construction Master Pro Trig are now available on several new platforms, including iPhone, iPad, iPod Touch, and Windows-based PCs and Pocket PCs. The downloadable apps offer the same features and functions built into existing construction-math calculators from the manufacturer. Functions include dimensional math and conversions for right angles and rafters; area and volume for roofing, drywall, siding, and paints and coatings; stud and footing placement; trigonometric calculations; and more. Price: $20 (Mac-based app); $40 to $90 (Windows software). 800-854-8075. www.calculated.com.