diff --git a/pycalci.py b/pycalci.py
new file mode 100644
index 0000000..4d2e093
--- /dev/null
+++ b/pycalci.py
@@ -0,0 +1,51 @@
+def add(num1, num2):
+	return num1 + num2
+
+def subtract(num1, num2):
+	return num1 - num2
+
+def multiply(num1, num2):
+	return num1 * num2
+
+def divide(num1, num2):
+	return num1 / num2
+
+loop=1
+while loop==1:
+ print("Please select operation -\n" \
+    "1. Add\n"\
+    "2. Subtract\n" \
+    "3. Multiply\n"  \
+    "4. Divide\n" \
+    "5. Exit")
+
+ try:
+  select = int(input("--> "))
+  if(select==5):
+      loop=0
+  elif(select>5) :
+      print("HEYYY,read the damn instructions!\n Do you want to try again?")      
+  else:
+    number1 = int(input("Enter first number: "))
+    number2 = int(input("Enter second number:"))
+
+ #after selection 
+  if (select == 1):
+   print(number1, "+", number2, "=",add(number1, number2))
+
+  elif (select == 2):
+   print(number1, "-", number2, "=",subtract(number1, number2))
+
+  elif (select == 3):
+   print(number1, "*", number2, "=",multiply(number1, number2))
+
+  elif (select == 4):
+
+   if (number2 == 0):
+       print("[Sorry, the scientist are still figuring out that one]\n")
+   else:
+       print(number1, "/", number2, "=",divide(number1, number2))
+
+
+ except:
+    print("[error, this is IMPOSSIBLE!\n Do you want to try again?]\n")