diff --git a/Patterns/factorial_calculation.py b/Patterns/factorial_calculation.py
new file mode 100644
index 0000000..912e977
--- /dev/null
+++ b/Patterns/factorial_calculation.py
@@ -0,0 +1,9 @@
+# recursively finds the factorial of a number using user input
+def factorial(number):
+    if number == 0:
+        return 1
+    else:
+        return factorial(number - 1) * number
+        
+x = int(input().strip())
+print(factorial(x))