Calculator

A calculator is a device or tool designed to perform mathematical calculations. It is an essential tool for various applications, ranging from basic arithmetic in everyday life to complex calculations in fields such as science, engineering, and finance. Calculators come in various forms, including handheld devices, software applications, and online tools.

Basic Functions of a Calculator:

• Addition (+): Used to add two or more numbers together.
• Subtraction (-): Used to subtract one number from another.
• Multiplication (×): Used to multiply two or more numbers.
• Division (÷): Used to divide one number by another.
• Percentage (%): Used to calculate percentages of a given number.

How to Use a Calculator:

1. Power On/Off: Turn on the calculator by pressing the power button. Some calculators may have a solar panel for power, while others use batteries.
2. Input Numbers: Enter the numbers you want to work with using the numeric keys on the calculator.

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