diff --git a/.idea/misc.xml b/.idea/misc.xml
index 138e459..c6d0a87 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,7 +3,9 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
-        <entry key="..\:/Users/emink/AndroidStudioProjects/altyapiAsistani2/app/src/main/res/layout/activity_main.xml" value="0.3333333333333333" />
+        <entry key="..\:/Users/emink/AndroidStudioProjects/altyapiAsistani2/app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.179" />
+        <entry key="..\:/Users/emink/AndroidStudioProjects/altyapiAsistani2/app/src/main/res/drawable/ic_launcher_background.xml" value="0.179" />
+        <entry key="..\:/Users/emink/AndroidStudioProjects/altyapiAsistani2/app/src/main/res/layout/activity_main.xml" value="0.25" />
       </map>
     </option>
   </component>
diff --git a/app/build.gradle b/app/build.gradle
index 91a886e..a860946 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,7 +11,7 @@ android {
         minSdk 23
         targetSdk 32
         versionCode 1
-        versionName "1.0"
+        versionName "1.1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/java/com/haritaci/altyapiasistani/MainActivity.kt b/app/src/main/java/com/haritaci/altyapiasistani/MainActivity.kt
index a964d2f..8bed61d 100644
--- a/app/src/main/java/com/haritaci/altyapiasistani/MainActivity.kt
+++ b/app/src/main/java/com/haritaci/altyapiasistani/MainActivity.kt
@@ -1,8 +1,9 @@
 package com.haritaci.altyapiasistani
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
 import com.haritaci.altyapiasistani.databinding.ActivityMainBinding
+import kotlin.math.round
 
 class MainActivity : AppCompatActivity() {
     lateinit var binding: ActivityMainBinding
@@ -17,16 +18,18 @@ class MainActivity : AppCompatActivity() {
 
         binding.hesapButton.setOnClickListener{
             if (binding.CihazKotu.text.isNotEmpty()&&binding.baca1Kotu.text.isNotEmpty()&&binding.baca2Kotu.text.isNotEmpty()&&binding.bacaMesafe.text.isNotEmpty()&&binding.cursor.text.isNotEmpty()&&binding.boruCapi.text.isNotEmpty()) {
-                var Aletkotu = binding.CihazKotu.text.toString().toDouble()
-                var baca1 = binding.baca1Kotu.text.toString().toDouble()
-                var baca2 = binding.baca2Kotu.text.toString().toDouble()
-                var bacamesafe = binding.bacaMesafe.text.toString().toDouble()
-                var nerdesin =binding.cursor.text.toString().toDouble()
-                var borucap = binding.boruCapi.text.toString().toDouble()
-                var bUstu:Double =  (((Aletkotu - (baca1 - (((baca1 - baca2)/bacamesafe)*nerdesin))) - borucap)).toDouble()
-                var bAlti:Double =  (Aletkotu - (baca1 - (((baca1 - baca2)/bacamesafe)*nerdesin))).toDouble()
-                bAlti = Math.floor(bAlti * 100) / 100;
-                bUstu = Math.floor(bUstu * 100) / 100;
+                binding.uyari.text = null
+                val aletkotu = binding.CihazKotu.text.toString().toDouble()
+                val baca1 = binding.baca1Kotu.text.toString().toDouble()
+                val baca2 = binding.baca2Kotu.text.toString().toDouble()
+                val bacamesafe = binding.bacaMesafe.text.toString().toDouble()
+                val nerdesin =binding.cursor.text.toString().toDouble()
+                val borucap = binding.boruCapi.text.toString().toDouble()
+                var bUstu:Double = (((aletkotu - (baca1 - (((baca1 - baca2)/bacamesafe)*nerdesin))) - borucap))
+                var bAlti:Double = (aletkotu - (baca1 - (((baca1 - baca2)/bacamesafe)*nerdesin)))
+                bAlti = round(bAlti * 100) / 100
+                bUstu = round(bUstu * 100) / 100
+
 
                 binding.kaziUst.text = bAlti.toString()
                 binding.boruUst.text = bUstu.toString()
@@ -34,8 +37,9 @@ class MainActivity : AppCompatActivity() {
             }
 
 
-            else binding.uyari.text = "HATA!"
-            binding.uyari.setTextColor(getColor(R.color.red))
+            else
+                "HATA!".also { binding.uyari.text = it }
+                binding.uyari.setTextColor(getColor(R.color.red))
         }
 }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index cc93a97..98b1761 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -8,6 +8,7 @@
     tools:context=".MainActivity">
 
     <LinearLayout
+        android:id="@+id/linearLayout"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginStart="8dp"
@@ -26,6 +27,13 @@
             android:layout_height="match_parent"
             android:orientation="vertical">
 
+            <TextView
+                android:id="@+id/baslık"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="     Enterpolasyon"
+                android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+
             <LinearLayout
                 android:layout_width="250dp"
                 android:layout_height="wrap_content"
@@ -45,7 +53,7 @@
                     android:layout_width="wrap_content"
                     android:layout_height="match_parent"
                     android:ems="10"
-                    android:hint="@string/uyarı"
+                    android:hint="Cihaz kotu gir (Mt)"
                     android:inputType="numberDecimal"
                     android:textSize="14sp"
                     tools:ignore="TouchTargetSizeCheck,SpeakableTextPresentCheck" />
@@ -63,7 +71,7 @@
                     android:layout_width="100dp"
                     android:layout_height="match_parent"
                     android:paddingTop="15dp"
-                    android:text="1. Baca Kotu"
+                    android:text="1. Nokta kotu"
                     android:textAlignment="center" />
 
                 <EditText
@@ -72,7 +80,7 @@
                     android:layout_height="match_parent"
                     android:layout_weight="1"
                     android:ems="10"
-                    android:hint="@string/baca_yuksek"
+                    android:hint="Boru tabanı kotu gir"
                     android:inputType="numberDecimal"
                     android:textSize="14sp"
                     tools:ignore="SpeakableTextPresentCheck,TouchTargetSizeCheck" />
@@ -90,7 +98,7 @@
                     android:layout_width="100dp"
                     android:layout_height="match_parent"
                     android:paddingTop="15dp"
-                    android:text="2. Baca Kotu"
+                    android:text="2. Nokta kotu"
                     android:textAlignment="center" />
 
                 <EditText
@@ -99,7 +107,7 @@
                     android:layout_height="match_parent"
                     android:layout_weight="1"
                     android:ems="10"
-                    android:hint="@string/baca_duşuk"
+                    android:hint="Boru tabanı kotu gir"
                     android:inputType="numberDecimal"
                     android:textSize="14sp"
                     tools:ignore="TouchTargetSizeCheck,SpeakableTextPresentCheck" />
@@ -116,7 +124,7 @@
                     android:layout_width="100dp"
                     android:layout_height="match_parent"
                     android:paddingTop="2dp"
-                    android:text="Bacalar Arası Mesafe"
+                    android:text="Noktalar Arası Mesafe"
                     android:textAlignment="center" />
 
                 <EditText
@@ -198,6 +206,10 @@
                 android:layout_height="wrap_content"
                 android:orientation="vertical">
 
+                <Space
+                    android:layout_width="match_parent"
+                    android:layout_height="19dp" />
+
                 <Button
                     android:id="@+id/hesapButton"
                     style="@style/Widget.AppCompat.Button.Colored"
@@ -236,7 +248,7 @@
                     android:id="@+id/textView33"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:text="Boru Altı (kazı)"
+                    android:text="Boru Altı)"
                     android:textAlignment="center"
                     android:textSize="14sp" />
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 508bb6f..d257529 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2,8 +2,8 @@
     <string name="app_name">altyapiAsistani</string>
     <string name="uyarı">00.00 METRE</string>
     <string name="mira_okuma">00.0m</string>
-    <string name="baca_yuksek">Yüksek Kotlu baca gir</string>
-    <string name="baca_duşuk">Düşük kotlu baca gir</string>
-    <string name="nerdesin">Baca 1 den hesapla</string>
+    <string name="baca_yuksek">Yüksek Kotlu Nokta gir</string>
+    <string name="baca_duşuk">Düşük Kotlu Nokta gir</string>
+    <string name="nerdesin">Nokta 1 den hesapla</string>
 
 </resources>
\ No newline at end of file