C program to find nCr and nPr (Combinations and Permutations)

This is a C language program code to find nCr (Combinations) and nPr (Permutations). Note that the program uses following formulas to find nCr and nPr.

C Program to find LCM and HCF (GCD) of two numbers

This is a program code to compute LCM (Least Common Multiple) and HCF (Highest Common Factor) of two numbers entered by user in C programming language. Note that LCM is also called lowest common multiple or smallest common multiple and HCF is also called greatest common divisor (GCD) or greatest common factor (GCF).