Nov 1, 2025 · In C programming, const is a keyword used to declare a variable as constant, meaning its value cannot be changed after it is initialized. It is mainly used to protect variables from being …

Learn about Constants in C Language with examples. Understand their types, uses, and syntax to enhance your C programming skills effectively.

For example, the value of mathematical constant PI is a high-precision floating point number 3.14159265359, and if it is likely to appear frequently, it is declared as a constant and used by its …

Constant In C | How To Define, Rules & Types (+Detailed Examples) Learn all about constants in C—what they are, how to use const and #define, their importance, rules, types, and differences from …

Mar 28, 2023 · Constants can be used in expressions, assignments, and function calls. Constants can also be used in conditional statements and loops. Here are the examples. Example 1 of Constants in …

Constants Now that you have seen different types of variables in C, you should also know that sometimes you need variables that should not change. This can be done with the const keyword, …

Jan 7, 2026 · C programming supports several types of constants, such as integer, floating-point (real), character, string, and enumeration constants. Proper use of constants helps to enhance the code …

In this tutorial, you will learn about variables and rules for naming a variable. You will also learn about different literals in C programming and how to create constants with the help of examples.