diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..e3e75276d42 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,39 @@
-## Put comments here that give an overall description of what your
-## functions do
+## The overall function is of two parts "makeCacheMatrix" and 
+## "cacheSolve" and it is used to cache the inverse of matrix.
 
-## Write a short comment describing this function
 
-makeCacheMatrix <- function(x = matrix()) {
+## The function "makeCacheMatrix" used to create a special matrix
+## object that can cache its inverse.
 
+makeCacheMatrix <- function(x = matrix()) {
+        m <- NULL
+        set <- function(y) {
+                x <<- y
+                m <<- NULL
+        }
+        get <- function() x
+        setinverse <- function(inverse) m <<- inverse
+        getinverse <- function() m
+        list(set = set, get = get,
+             setinverse = setinverse,
+             getinverse = getinverse)
 }
 
-
-## Write a short comment describing this function
+## The function "cacheSolve" computes the inverse of the special 
+## matrix returned by "makeCacheMatrix" above. If the inverse  
+## has already been calculated (and the matrix has not changed), 
+## then the cachesolve will retrieve the inverse from the cache.
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+        m <- x$getinverse()
+        if(!is.null(m)) {
+                message("getting cached data")
+                return(m)
+        }
+        data <- x$get()
+        m <- solve(data)
+        x$setinverse(m)
+        m
 }
+
+## End of the function caching the inverse of a Matrix.