Changes

*If order is a matter it is a Permutation.

*If order is a matter it is a Permutation.

*A combination is denoted by nCr or <math>\binom{n}{r}</math>.  

*A combination is denoted by nCr or <math>\binom{n}{r}</math>.  

*A formula for the number of possible combinations of R objects from a set of N objects is <math>\binom{n}{r}=\frac{n!}{r!(n-r)!}</math> where <math>n!=1*2*3*...*n </math>& <math>r \le n</math>.

*A formula for the number of possible combinations of R objects from a set of N objects is <math>\binom{n}{r}=\frac{n!}{r!(n-r)!}</math> where <math>n!=1*2*3*...*n </math> & <math>r \le n</math>.

*This function will give Error Result when

*This function will give Error Result when

**The N&R are non numeric

**The N&R are non numeric