Construction Calculator Desktop Length 9 in Width 6 1/2 in Depth 1 3/8 in Display Digits 11 Display LCD Display Dimensions 1 in H x 5 in W Advanced Feet/Inch/Fraction Construction Math Calculator With Full Trigonometric Function Arched Rake-Walls Built-In Functions For Stairs Compound Miter Cuts Drywall Equal Sided Polygons Siding Studs For Contractors Engineers Architects and Tradespersons Auto Shutoff Easy-To-Use Trigonometric Functions Power Supply Battery