diff --git a/.gitmodules b/.gitmodules
index e3f1b142..6f6dfb79 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -784,3 +784,6 @@
 [submodule "libraries/drivers/htu31d"]
 	path = libraries/drivers/htu31d
 	url = https://github.com/adafruit/Adafruit_CircuitPython_HTU31D.git
+[submodule "libraries/helpers/simplemath"]
+	path = libraries/helpers/simplemath
+	url = https://github.com/adafruit/Adafruit_CircuitPython_SimpleMath.git
diff --git a/docs/drivers.rst b/docs/drivers.rst
index 52cb66d3..02d8bd80 100644
--- a/docs/drivers.rst
+++ b/docs/drivers.rst
@@ -197,6 +197,7 @@ Miscellaneous Helpers
     OneWire <https://circuitpython.readthedocs.io/projects/onewire/en/latest/>
     SD Card <https://circuitpython.readthedocs.io/projects/sd/en/latest/>
     SimpleIO <https://circuitpython.readthedocs.io/projects/simpleio/en/latest/>
+    SimpleMath <https://circuitpython.readthedocs.io/projects/simplemath/en/latest/>
     USB Human Interface Device (Keyboard and Mouse) <https://circuitpython.readthedocs.io/projects/hid/en/latest/>
     Test Repo <https://circuitpython.readthedocs.io/projects/testrepo/en/latest/>
 
diff --git a/libraries/helpers/simplemath b/libraries/helpers/simplemath
new file mode 160000
index 00000000..68ae135f
--- /dev/null
+++ b/libraries/helpers/simplemath
@@ -0,0 +1 @@
+Subproject commit 68ae135fccce81c9768fe36dcb721f41d7976fe2