ProjectCalc 8503 Classic Calculator: * Designed for home decorators and do-it-yourselfers * Quickly figure quantities of materials and costs * Work in and convert between yards, feet, inches, fractions and meters � including area and volume * Estimate material requirements for wallpaper (European double rolls), paint (gallons, quarts, or pints) and tile (11 different standard sizes) * Features cost and percent functions * Also operates as a standard math calculator * Includes 2 long-life (LR-43) batteries * User"s guide included * Limited 1-year warranty