Calculated Industries 8510 Home ProjectCalc Do-It-Yourself Project Calculator Great for do-it-yourselfers, woodworkers, hobbyists, decorators and gardners Enter feet-inch-fractions without changing to decimals Use it to estimate quantities and costs for paint, concrete, tile, wallpaper and carpet Convert between all standard math dimensions Includes: Easy-to-follow user's guide and 360-degree hinged hard cover door