diff --git a/src/main/java/Calculator/Calculating.java b/src/main/java/Calculator/Calculating.java
index 50d43d3..fb38b25 100644
--- a/src/main/java/Calculator/Calculating.java
+++ b/src/main/java/Calculator/Calculating.java
@@ -54,13 +54,5 @@ public double fact(double a){
 
     public double exponent(double a){
         return Math.exp(a);
-    }
-
-    public double abs(double a){
-        return Math.abs(a);
-    }
-
-    public double ln(double a){
-        return Math.log(a);
-    }
+    }    
 }
\ No newline at end of file
diff --git a/src/main/java/Calculator/Menu.java b/src/main/java/Calculator/Menu.java
index 9d78713..bf9f396 100644
--- a/src/main/java/Calculator/Menu.java
+++ b/src/main/java/Calculator/Menu.java
@@ -40,13 +40,7 @@ public void Run(){
                 break;
                 case "exp":
                 System.out.println(calc.exponent(a));
-                break;
-                case "abs":
-                System.out.println(calc.abs(a));
-                break;
-                case "ln":
-                System.out.println(calc.ln(a));
-                break;
+                break;               
             }
         }
     }
diff --git a/src/test/java/Calculator/AppTest.java b/src/test/java/Calculator/AppTest.java
index b2340fa..c182514 100644
--- a/src/test/java/Calculator/AppTest.java
+++ b/src/test/java/Calculator/AppTest.java
@@ -51,5 +51,5 @@ public void factTest() throws Exception {
     @Test
     public void expTest() throws Exception {
         assertEquals(1, calc.exponent(0), mistake);
-    }
+    }   
 }