What must a basic calculator have?
Thinking about the calculator as a machine to make accounts and your interest is only that, you will not buy a financial calculator that accumulates various functions. Choose a simple calculator, but a quality one. A basic calculator should bring: – A source of strength, which can be a battery, a panel to attract the sunlight, or both; – A display to facilitate its numerals reading. It is usually made of liquid crystal; – Bring on the keyboard the ten digits (0 to 9) – decimal point – Functions arithmetic functions (addition, subtraction, multiplication and division); – cancellation key – square root bottom, percentage bottom… – function of single-number memory, which stores and provides the number whenever you want.
