diff --git a/IndexPoint.java b/IndexPoint.java
index 8b13789..93f8762 100644
--- a/IndexPoint.java
+++ b/IndexPoint.java
@@ -1 +1,50 @@
+/**
+ * Nafasa Muth Ma'nah
+ * 1301150441
+ */
+package IndexPoint;
 
+import java.util.Scanner;
+
+public class IndexPoint{
+  public static void main(String[] args) {
+    
+        String nama;
+        int nilai1, nilai2, nilai3,nim;
+        double kuis, uts, uas, na;
+        
+        Scanner a = new Scanner(System.in);
+        
+        System.out.print(" Masukkan Nama Mahasiswa : ");
+        nama = a.nextLine();
+        System.out.print("Masukkan NIM Mahasiswa : ");
+        nim = a.nextInt();
+        System.out.print("Masukkan nilai UTS Mahasiswa : ");
+        nilai1 = a.nextInt();
+        System.out.print("Masukkan nilai UAS Mahasiswa : ");
+        nilai2 = a.nextInt();
+        System.out.print("Masukkan nilai Kuis Mahasiswa : ");
+        nilai3 = a.nextInt();
+        
+        uts = 0.35*nilai1;
+        uas = 0.4*nilai2;
+        kuis = 0.25*nilai3;
+        na = uts + uas + kuis;
+        if ((na >=85) && (na<=100)){
+            System.out.println("Grade : Excellent");
+        }
+        else if ((na>=75) && (na<=84)){
+            System.out.println("Grade : Very Good");
+        }
+        else if ((na>=65) && (na<=74)){
+            System.out.println("Grade : Good");
+        }
+        else if ((na>=50) && (na<=64)){
+            System.out.println("Grade : Accepted");
+        }
+        else if ((na>=0) && (na<=49)){
+            System.out.println("Grade : Failed");
+        }
+        System.out.print("Mahasiswa dengan Nama " + nama + " Mendapatkan Nilai Akhir : " + na);
+    }   
+}
\ No newline at end of file
diff --git a/PrimeNumber.java b/PrimeNumber.java
index 8b13789..bcb2763 100644
--- a/PrimeNumber.java
+++ b/PrimeNumber.java
@@ -1 +1,27 @@
-
+/**
+ * Nafasa Muth Ma'nah
+ * 1301150441
+ */
+package PrimeNumber;
+import java.util.Scanner;
+public class PrimeNumber{
+    public static void main(String[] args) {
+        Scanner bilangan = new Scanner(System.in);
+        int count = 0;
+        int bil;
+        
+        System.out.print("Masukkan bilangan : ");
+        bil = bilangan.nextInt();
+        for (int i = 2; i < bil ; i++){
+            if ((bil % i) == 0){
+                count++;
+            }
+        }
+         if(count > 0 || bil < 2){
+            System.out.println(bil+ " bukan bilangan prima");
+        }
+        else {
+            System.out.println(bil + " merupakan bilangan prima");
+        }
+    }
+}
diff --git a/TemperatureConvert.java b/TemperatureConvert.java
index e69de29..a941e75 100644
--- a/TemperatureConvert.java
+++ b/TemperatureConvert.java
@@ -0,0 +1,50 @@
+/**
+ * Nafasa Muth Ma'nah
+ * 1301150441
+ */
+package TemperatureConvert;
+
+import java.util.Scanner;
+
+public class TemperatureConvert{
+    public static void main(String[] args) {
+        Scanner konversi = new Scanner(System.in);
+        double celcius, reamur, fahrenheit, kelvin;
+        int counter = 0, pilih, lagi;
+        
+        System.out.print("Masukkan Suhu : "); //Suhu dengan derajat celcius
+        celcius = konversi.nextDouble();
+        while (counter == 0){
+            System.out.println("1. Reamur");
+            System.out.println("2. Fahrenheit");
+            System.out.println("3. Kelvin");
+            System.out.println("Pilihan : ");
+            pilih = konversi.nextInt();       
+            switch(pilih){
+                case 1:
+                    reamur = 0.8 * celcius;
+                    System.out.println(reamur + " derajat reamur");
+                    break;
+                case 2:
+                    fahrenheit = (1.8 * celcius) + 32;
+                    System.out.println(fahrenheit + " derajat fahrenheit");
+                    break;
+                case 3:
+                    kelvin = celcius + 273;
+                    System.out.println(kelvin + " derajat kelvin");
+                    break;
+            }
+            System.out.println("Apakah Anda Ingin Mengkonversi Suhu Lagi ? ");
+            System.out.println("1. Ya");
+            System.out.println("2. Tidak");
+            lagi = konversi.nextInt();
+            if(lagi == 1){
+                System.out.println(pilih);  
+            }
+            else{
+                System.exit(0);
+            }     
+        }
+        
+    }
+}
\ No newline at end of file