Definition of «constant»

Usage examples

1. In physics, a constant refers to a value that remains unchanged throughout a given experiment or equation. For example, the speed of light in a vacuum (denoted as c) is a constant.
2. In mathematics, constants are fixed values that do not vary. For instance, the mathematical constant π (pi) is approximately equal to 3.14159 and is used in various geometric and trigonometric calculations.
3. In computer programming, a constant is a variable whose value cannot be altered once it is defined. It is typically declared with the keyword "const" or a similar syntax. For instance, const int MAX_VALUE = 100; declares a constant named MAX_VALUE with a value of 100.
4. In finance, a constant can refer to a fixed interest rate or an unchanging value used in financial calculations. For instance, the constant growth rate is often used in the dividend discount model to determine the present value of future cash flows.
5. In everyday life, constants can also be used to describe unwavering qualities or characteristics. For example, a loyal friend is someone who remains constant in their support and presence. Similarly, consistent practice is often referred to as the key to mastering a skill.