Happy Codings - Programming Code Examples

C Programming Code Examples

C > Mathematics Code Examples

C Program for Beginners: Area of Circle

C Program for Beginners: Area of Circle

Ellipse in which the two axes are of equal length
Plane curve generated by one point moving at a constant distance from a fixed point
You can compute the area of a Circle if you know its radius.

#include<stdio.h>
 
int main() {
   float radius, area;
 
   printf("\nEnter the radius of Circle : ");
   scanf("%d", &radius);
 
   area = 3.14 * radius * radius;
   printf("\nArea of Circle : %f", area);
 
   return (0);
}

Print stuff to a File Reading the number of - Write a c programming example to print stuff to a file reading the number of time for an other file. Program code to read the number from a file. Program code to write to the file.

Reads Input until Enters a Positive Integer - C Language program to read input until user enters a positive integer. Positive Numbers 1, 2, 3... are known as natural numbers. C code below takes a positive integer (let say n) as...

C++ Simple Calculator Code for Beginners - Write a simple C++ program which have four different functions for "basic operations" like addition, subtraction, division, multiplication. It should be menu based asking user to enter

C program code to print bits of file.. ascii - Status epilepticus, print help and exit with exval. Print version and exit with exval. Print this help and exit. Print program version and exit. Option needs an argument. Open file...

C Language Calculating the Typing Speed - Your time has started. Start typing. Hit Esc when done. Erase previous character instead of cursoring. Eliminate a special character that is printed for Esc. A Backspace followed

Binary Counting Method Generate Subset - Algorithm takes the input of "n" data element and 'prints all possible combination'. Function to 'Print array element' according to the code in the 'Argument List'. For that, it generates n

C++ Break Keyword is used to Stop Loops - The 'C++ program' tries to count alphabetical letters from d to n, but a break makes it stop when it encounters k: In a for statement, the 'break' can stop the counting when particular

Count Number of Words in the given Text - Program takes a string as input and count the number of words in the input string. Take the string as input, store it in the array 's[]'. Using for loop search for a space ' ' in the string and