diff --git a/src/main/scala/DifferenceOfSquares.scala b/src/main/scala/DifferenceOfSquares.scala
index 201e941..a475031 100644
--- a/src/main/scala/DifferenceOfSquares.scala
+++ b/src/main/scala/DifferenceOfSquares.scala
@@ -1,8 +1,39 @@
+import scala.math.pow
+
 object DifferenceOfSquares{
 
-  def sumOfSquares(n: Int): Int = ???
+  def sumOfSquares(n: Int): Int = 
+  {
+    var lim = n
+    var totalsum = 0
+    while (lim > 0)
+    {
+      var powered: Int = (pow(lim, 2)).toInt
+      totalsum = totalsum + powered
+      lim = lim-1
+    }
+    totalsum
+  }
+
+  def squareOfSum(n: Int): Int = 
+  {
+    var lim = n
+    var totalsum = 0
+    while (lim > 0)
+    {
+      totalsum = totalsum + lim
+      lim = lim-1
+    }
+    var squareSum: Int = pow(totalsum, 2).toInt
+    squareSum
+  }
 
-  def squareOfSum(n: Int): Int = ???
+  def differenceOfSquares(n: Int):Int = 
+  {
+    var sqOfsum = squareOfSum(n)
+    var sumOfsq = sumOfSquares(n)
 
-  def differenceOfSquares(n: Int):Int = ???
+    var totalDifference = sqOfsum - sumOfsq
+    totalDifference
+  }
 }