Description The Basic Ruler with Calculator is a stationery item combining an 8-digit electronic calculator with a linear measuring tool. This integrated device supports basic arithmetic operations, percentage, and square root functions, alongside memory recall and storage. The ruler provides measurements up to 20 cm, also featuring an 8-unit scale. Overview Integrated calculator and ruler. Features an 8-digit display calculator. Ruler measures 20 cm and includes an 8-unit scale. Supports addition, subtraction, multiplication, division, percentage, and square root functions. Includes memory functions (MRC, M-, M+). Equipped with ON/C, OFF, and CE buttons for operation. Model: CD-1143. Product Information Product Name: Basic Ruler with Calculator Category: Electronic Calculator, Ruler, Stationery Model: CD-1143 Color: Random Size: Ruler length: 20 cm (8-unit scale) Display: 8-digit display calculator Functions: Calculation, Linear Measurement