diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..ee8f9ef3b74 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,45 @@
 ## Put comments here that give an overall description of what your
 ## functions do
 
-## Write a short comment describing this function
+## makeCacheMatrix : This function returns a list of functions set / get / setinverse / getinverse for a matrix
+## passed as the parameter. 
 
-makeCacheMatrix <- function(x = matrix()) {
 
+makeCacheMatrix <- function(x = matrix()) {
+        m <- NULL
+        set <- function(y) {
+                x <<- y
+                m <<- NULL
+        }
+        get <- function() x
+        setinverse <- function(solve) m <<- solve
+        getinverse <- function() m
+        list(set = set, get = get,
+             setinverse = setinverse ,
+             getinverse = getinverse )
 }
 
 
-## Write a short comment describing this function
+
+## cacheSolve : This function executes the functions created in makeCacheMatrix function. 
+
+## cacheSolve function takes as the parameter the list that is created in "makeCacheMatrix" function. 
+## The function tried to retrieve m (which should be the inverse of a matrix). 
+## If m is a valid matrix, then it returns m and ends the function. 
+## if there is no inverse calculation performed on m and is NULl, then it performs the following - 
+##  a) read the matrix information using the get function. 
+## b) calculate the inverse function using solve 
+## b) save the results of m into the cachedmemory using setinverse function.  
+## c) Returnm the m value 
 
 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
 }