diff --git a/.DS_Store b/.DS_Store
index 6f49f65..ee27955 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/Lebenslauf.pdf b/Lebenslauf.pdf
deleted file mode 100644
index 7a8cc31..0000000
Binary files a/Lebenslauf.pdf and /dev/null differ
diff --git a/calculator.js b/calculator.js
index cc7c63b..55422de 100644
--- a/calculator.js
+++ b/calculator.js
@@ -21,31 +21,19 @@ function appendToDisplay(input){
         if(operator == '+'){
             operatorPlus.style.backgroundColor = "#ff9f0a";
             operatorPlus.style.color = "white";
-            /*operatorPlus.addEventListener('mouseover', function(e) {
-                e.target.style.backgroundColor = "#feb84e";});
-            operatorPlus.addEventListener('mouseleave', function(e) {
-                e.target.style.backgroundColor = "#ff9f0a";});*/
+            
         }else if(operator == '-'){
             operatorMinus.style.backgroundColor = "#ff9f0a";
             operatorMinus.style.color = "white";
-            /*operatorMinus.addEventListener('mouseover', function(e) {
-                e.target.style.backgroundColor = "#feb84e";});
-            operatorMinus.addEventListener('mouseleave', function(e) {
-                e.target.style.backgroundColor = "#ff9f0a";});*/
+            
         }else if(operator == '*'){
             operatorMultiplication.style.backgroundColor = "#ff9f0a";
             operatorMultiplication.style.color = "white";
-            /*operatorMultiplication.addEventListener('mouseover', function(e) {
-                e.target.style.backgroundColor = "#feb84e";});
-            operatorMultiplication.addEventListener('mouseleave', function(e) {
-                e.target.style.backgroundColor = "#ff9f0a";});*/
+            
         }else if(operator == '/'){
             operatorDivision.style.backgroundColor = "#ff9f0a";
             operatorDivision.style.color = "white";
-            /*operatorDivision.addEventListener('mouseover', function(e) {
-                e.target.style.backgroundColor = "#feb84e";});
-            operatorDivision.addEventListener('mouseleave', function(e) {
-                e.target.style.backgroundColor = "#ff9f0a";});*/
+            
         }
         
         displayMem = display.value;
@@ -53,7 +41,7 @@ function appendToDisplay(input){
         operatorSelected = false;
     }
     
-    
+    operatorSelected = false;
     display.value += input;
     equalsPerformed = false;
     fresh=false;