diff --git a/libs/Game_threads/calculations.py b/libs/Game_threads/calculations.py
index b4efa3d..329cffc 100644
--- a/libs/Game_threads/calculations.py
+++ b/libs/Game_threads/calculations.py
@@ -7,11 +7,19 @@ import libs
 import math
 
 
-def P_C(A, type, B):
+def P_C_M(A, B):  # stand for Physics Calculation multiple
     """
     formats:
-    type : "*" or "//"(or "/" "\" "\\")
     A & B list format:docs.basic_config.json:basic_number
     """
     C = [0.0, 1, [], []]
-    return C
\ No newline at end of file
+    return C
+
+
+def P_C_D(A, B):  # stand for Physics Calculation divide
+    """
+    formats:
+    A & B list format:docs.basic_config.json:basic_number
+    """
+    C = [0.0, 1, [], []]
+    return C