Changes

<div style="font-size:30px">'''COMBIN(n,r)'''</div><br/>

<div style="font-size:30px">'''COMBIN(N,R)'''</div><br/>

*'N' is the number of items.

*'N' is the number of items.

==Description==

==Description==

This function gives the combination of N objects.  

*This function gives the combination of N objects.  

i.e.An arrangement of R objects without any repetition,

*i.e.An arrangement of R objects without any repetition,

selected from N different objects is called a combination of N objects taken  R at a time.

*selected from N different objects is called a combination of N objects taken  R at a time.

Also if the order doesn't a matter, it is a combination.  

*Also if the order doesn't a matter, it is a combination.  

If order is the matter it is a permutation.

*If order is the matter it is a permutation.

A combination is dnoted by ncr or(n  r).  

*A combination is denoted by ncr or(n  r).  

A formula for the number of possible combinations of R objects from a set of N objects is (n  r)=n!/r!(n-r)!, where n!=1*2*3*...*n& r<=n.

*A formula for the number of possible combinations of R objects from a set of N objects is (n  r)=n!/r!(n-r)!, where n!=1*2*3*...*n& r<=n.

This function will give the result is Error when

This function will give the result is Error when

1. The N&R are non numeric

1. The N&R are non numeric