A calculator refers to a tool or device that performs mathematical operations and calculates numbers. They are usually divided into physical calculators and software-based digital calculators (including calculator programs built into the computer). Below we will provide descriptions of the most common digital calculators:

Numeric keypad: Most digital calculators have a numeric keypad that allows you to enter the numbers 0 through 9, a decimal point (.), and operators (+, -, *, /, etc.). Users use this keypad to enter calculation formulas.

Display: There is a display for displaying calculation results or intermediate values. These displays typically show numbers and results, and since most are digital displays, they can also display numbers and letters. 부가세계산기

Operator buttons: There are buttons to perform operations such as addition (+), subtraction (-), multiplication (*), and division (/). Users complete the calculation by entering numbers and then selecting the desired operator.

Function Buttons: Some calculators have buttons that allow you to perform additional functions. For example, it can provide functions such as square, square root, logarithm, trigonometric functions, and memory storage and recall.

Clear button: There is a Clear button that allows you to erase and reset entered numbers or calculation formulas.

Calculators are used to perform a variety of mathematical tasks, from simple arithmetic calculations to advanced mathematical and engineering calculations. It is also used in various fields such as computer programming, engineering design, financial management, and statistical analysis. Digital calculators help you perform these tasks quickly and accurately. Modern digital calculators offer complex, advanced functions and are similar to scientific calculators with advanced calculation and programming capabilities.