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# math.h header file functions with examples in C language

This section contains library functions of math.h header file with example programs and output. Each function is described with its definition, syntax and description of the program.

## List of solved programs of 'math.h' header file functions

1. abs() and sqrt() functions of math.h in C.
In this article, we are going to know about the abs() and sqrt() functions of math.h header file in C language and learn the process to use them.
2. floor() and ceil() functions of math.h in C.
In this article, we are going to learn about the floor() and ceil() functions of math.h header file in C language and use them with help of their examples.
3. sin() and cos() functions of math.h in C.
In this article, we are going to know about the trigonometric functions sin() and cos() of math.h header file in C language and learn the process to use them.
4. log() and log10() functions of math.h in C.
In this article, we are going to learn about the pre-defined functions (log() and log10()) of math.h header file to calculate the log value of any decimal as well as integer value in C programming language.
5. pow() and pow10() functions of math.h in C.
In this article, we are going to learn about the two very useful pre-defined functions (pow() and pow10()) of math.h header file and see their functioning with their examples in C programming language.
6. Function idexp() to raise a number to a given power in C.
In this article, we are going to learn about the use Idexp() function of math.h header file and use it with the help of an example.
7. Function fabs() to get the absolute value of a number in C.
In this article, we are going to learn about the fabs() function of math.h header file and try to understand it with the help of an example.
8. frexp() function of math.h in C.
In this article, we are going to learn about the use frexp() function of math.h header file and then try to understand it with the help of an example.
9. modf() function of math.h in C.
In this article, we are going to learn about the use modf() function of math.h header file and use it with the help of an example.
10. acos() function of math.h in C.
acos() function of math.h in C: Learn how to find the acos (Arc Cosine) of a number in C with an Example?
11. asin() function of math.h in C.
In this article, we are going to learn about asin() function of math.h header file and then try to use it with the help of an example.
12. atan() function of math.h in C.
In this article, we are going to learn about the use atan() function of math header file and use it with the help of an example.
13. atan2() function of math.h in C.
In this article, we are going to learn about the use atan2() function of math.h header file and use it with the help of an example.

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