** The #1 Highest Rated Concrete Calculator on the App Store. (Go to Reviews -> All Versions to see all reviews!) ** Trusted by over 200,000 industry professionals.** The industry standard Construction Master Pro is the most powerful construction-math calculator on the market. POWERFUL BUILT-IN SOLUTIONS -- help contractors, estimators, architects, carpenters, framers, draftspersons, engineers, builders, tradespersons – anyone needing fast, accurate solutions for construction, building, framing, concrete work and more. PERFECT FOR LAYOUTS BIDS AND ESTIMATES -- Instantly find how much material you need. Calculates a number of volumes when excavating, determine how many truckloads and weight in tons. MORE TIME SAVING FUNCTIONS -- -Concrete Slab Calculator -Concrete Footing Calculator -Concrete Wall Calculator -Concrete Steps Calculator -Concrete Curb Calculator -Concrete Column / Cylinder Calculator -Sand, Gravel and Stone Calculator -Concrete Block Fill Calculator -Concrete Block and Mortar Calculator Use this app once, or forever! There is an auto-renewing weekly subscription option, cancel anytime. Full details here: http://goo.gl/VHB1Tq DOWNLOAD NOW!