OFFICE CALCULATOR DONAU TECH OFFICE, 14-DIGIT. DISPLAY, WYM. 201X155X35MM, BLACK calculator with 14-digit display Dual power system (solar battery and batteries) fixed angle of inclination of the display Dimension: 201x155x35mm function of the square root, calculation of percentages, rounding, two different memory locations to store two numbers button with double and triple zero turns off automatically kolor: black The brand’s offer includes over 20 models of calculators, from the simplest models designed for many tasks to technologically advanced scientific calculators. They are designed for maximum ergonomics of each activity and are an essential tool that can be used while working in the office or during study. CALCULATORS: Calculators are devices useful in everyday life for various social groups: teachers, students, students or employees. They are an invaluable help in the field of calculations of varying degrees of advancement and type. From the simplest bills to higher-level tasks. Our category is associated with groups of products most often referred to as: office calculators small and large, scientific, mathematical, electronic, pocket