diff --git a/registry.txt b/registry.txt
index c09b71eb..befeb508 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5577,3 +5577,4 @@ https://github.com/RCmags/ServoMotor.git|Contributed|ServoMotor
 https://github.com/bolderflight/terabee.git|Contributed|Bolder Flight Systems Terabee
 https://github.com/x821938/EasyLogger.git|Contributed|EasyLogger
 https://github.com/EmberGL-org/EmberGL.git|Contributed|EmberGL
+https://github.com/RCmags/basicCalculus.git|Contributed|basicCalculus