constant
The term has a number but no variable In 8a-6; 6 is the _______________.
A constant is a fixed value that cannot be changed during the execution of a program. In computer programming, constants are used to represent values that do not change. Constants are declared using the keyword `const` in most programming languages. Once a constant is declared and defined, it cannot be modified or reassigned.
Constants are useful in programming because they help to make the code more readable and easier to maintain. They also prevent accidental modification of values that are supposed to remain constant. For example, in a program that calculates the area of a circle, the value of pi is a constant and should be declared as such.
Here is an example of how to declare a constant in the C programming language:
“`c
const float PI = 3.14159;
“`
In this example, PI is a constant with a value of 3.14159. The keyword `const` indicates that the value cannot be modified.
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