The Ultimate Builder''s Construction Calculator for your Desktop, Notebook, and PocketPC.Here are just a few of the features that make Construction Advantage the best. Keypads and Entry Logic Patented 0-15 keyboard exclusive only on the JobberUser selectable choice of Algebraic or RPN entry modesUser selectable scientific or standard keypadMini-keypad for easy entry when working with Solvers Units and Conversions Works with and displays Feet-Inches-Sixteenths (e.g., 24'' 7-3/16")Converts among over 70 different units (ft, m, lb, yd3, etc.)Computes directly with dimensional values (e.g., 70 lb/ft3 x 5 yd3 = 9450 lb) Automatic Solvers CircleCircle - Segmented FallCircle - Segmented RiseConeCubeCylinderRaftersRectangular BoxSphereStairsTriangle - ObliqueTriangle - RightTriangle - Segmented FallTriangle - Segmented Rise Additional Features Estimator for easily computing weight and/or cost based on unit weight and/or unit cost, respecitively, along with area, length/thickness, or volume"Paperless tape" that keeps your last 20 entries. You can also recall tape values to the main displayMemory with 10 locations - all support store, recall, add (M ), and subtract (M-)Easy input and editing, including backspace and ability to click the main display value to re-enter edit modeAbility to print and/or save Solver results (Windows only)