diff --git a/calc-pwn/calc.py b/calc-pwn/calc.py
new file mode 100755
index 0000000..fc648b5
--- /dev/null
+++ b/calc-pwn/calc.py
@@ -0,0 +1,50 @@
+#!/usr/bin/python
+
+import sys
+
+class Unbuffered(object):
+   def __init__(self, stream):
+       self.stream = stream
+   def write(self, data):
+       self.stream.write(data)
+       self.stream.flush()
+   def writelines(self, datas):
+       self.stream.writelines(datas)
+       self.stream.flush()
+   def __getattr__(self, attr):
+       return getattr(self.stream, attr)
+
+sys.stdout = Unbuffered(sys.stdout)
+
+def hitung(x,z,y):
+    return eval(x+z+y)
+
+#menu operasi
+print       " /$$   /$$  /$$$$$$  /$$             /$$$$$$$  /$$      /$$ /$$   /$$"
+print       "| $$  /$$/ /$$__  $$| $$            | $$__  $$| $$  /$ | $$| $$$ | $$"
+print       "| $$ /$$/ | $$  \__/| $$            | $$  \ $$| $$ /$$$| $$| $$$$| $$"
+print       "| $$$$$/  |  $$$$$$ | $$            | $$$$$$$/| $$/$$ $$ $$| $$ $$ $$"
+print       "| $$  $$   \____  $$| $$            | $$____/ | $$$$_  $$$$| $$  $$$$"
+print       "| $$\  $$  /$$  \ $$| $$            | $$      | $$$/ \  $$$| $$\  $$$"
+print       "| $$ \  $$|  $$$$$$/| $$$$$$$$      | $$      | $$/   \  $$| $$ \  $$"
+print       "|__/  \__/ \______/ |________/      |__/      |__/     \__/|__/  \__/"
+print       "Author : Galanggg"
+print "===============================================================================>"
+print "1. Penjumlahan (+)"
+print "2. Pengurangan (-)"
+print "3. Perkalian (*)"
+print "4. Pembagian (:)"
+
+choice = raw_input("Masukkan pilihan Anda (1/2/3/4): ")
+
+num1 = raw_input("Masukkan Bilangan Pertama : ")
+num2 = raw_input("Masukkan Bilangan Kedua : ")
+
+if choice == '1':
+    print num1,"+",num2,"=",hitung(num1,"+",num2)
+elif choice == '2':
+    print num1,"-",num2,"=",hitung(num1,"-",num2)
+elif choice == '3':
+    print num1,"*",num2,"=",hitung(num1,"*",num2)
+elif choice == '4':
+    print num1,"/",num2,"=",hitung(num1,"/",num2)
\ No newline at end of file
diff --git a/calc-pwn/server.sh b/calc-pwn/server.sh
new file mode 100755
index 0000000..bcd2d57
--- /dev/null
+++ b/calc-pwn/server.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+socat TCP-LISTEN:5000,reuseaddr,fork EXEC:./calc2.py
\ No newline at end of file