diff --git a/src/tools/math.py b/src/tools/math.py
index 43553b2..91d1b25 100644
--- a/src/tools/math.py
+++ b/src/tools/math.py
@@ -4,6 +4,14 @@ from decimal import Decimal, ROUND_HALF_UP
 from typing import Iterable
 
 
+MAXINT32 = 2**32
+MAXINT64 = 2**64
+MAXINT32_SIGNED = 2**31
+MAXINT64_SIGNED = 2**63
+MAXINT32_UNSIGNED = MAXINT32
+MAXINT64_UNSIGNED = MAXINT64
+
+
 def round_half_up(number: int | float) -> int:
     """pythons round() rounds .5 to the *even* number; 0.5 == 0"""
     return int(Decimal(number).to_integral(ROUND_HALF_UP))