C Program to find Number Combination
Number combination, also known as a combination, refers to the selection of items from a larger set without considering the order of the selected items.

C Program to Check Perfect Number
A perfect number is a positive integer that is equal to the sum of its proper divisors (excluding the number itself). In other words, the proper divisors of a number are the positive integers that divide the number evenly, leaving no remainder, but are less than the number itself.

C Program to Check Palindrome Number
A palindrome number is a number that remains the same when its digits are reversed. In other words, it reads the same forward and backward. For example, 121, 555, and 12321 are all palindrome numbers.

C Program to find Sum of Digits
The sum of digits refers to the result obtained by adding together all the individual digits of a given number.

C Program to find Factorial of a Number
The factorial of a number is a mathematical operation that denotes the product of all positive integers from 1 to that number. It is denoted by the exclamation mark (!)

C Program to Condense a Number
Condensing a Number refers to summing its digits until a single-digit number is obtained.

C Program to Check Even Number
An even number is an integer that is divisible by 2, meaning it leaves no remainder when divided by 2. In other words, an even number can be divided into two equal parts.

C Program to Check Odd Number
An odd number is an integer that is not divisible by 2, meaning it does not leave a remainder of 0 when divided by 2. In other words, an odd number cannot be evenly divided into two equal parts.

C Program to Find Prime Factor
Prime factors are the prime numbers that divide a given number evenly, without leaving a remainder. In other words, they are the prime numbers that are factors of a given number.

C Program to Check Prime Number
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In other words, a prime number is a number that is only divisible by 1 and itself, with no other factors.

C Program to Check Armstrong Number
An Armstrong number, also known as a narcissistic number, is a number that is equal to the sum of its own digits, each raised to the power of the number of digits.

C Program to Swap Two Numbers
Swapping two numbers means exchanging their values. In other words, if you have two variables A and B, swapping them would involve interchanging their values so that the initial value of A becomes the value of B, and vice versa.

C Interview Programs
C interview programs refer to programming questions or problems that are commonly asked in job interviews for positions that require knowledge of the C programming language. These programs are designed to test a candidate’s understanding of C concepts, problem-solving skills, and ability to write efficient and correct code.

C cos() Function
The cos() function is a standard library function in C that is used to calculate the cosine of a specified angle.

C cosh() Function
The cosh() function is a standard library function in C that is used to calculate the hyperbolic cosine of a specified number.

C ceil() Function
The ceil() function is a standard library function in C that is used to round a specified floating-point number up to the nearest integer greater than or equal to the given value.

C cbrt() Function
The cbrt() function is a standard library function in C that is used to calculate the cube root of a specified number.

C atanh() Function
The atanh() function is a standard library function in C that is used to calculate the inverse hyperbolic tangent (artanh) of a given argument.







