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-rw-r--r--docs/library/cmath.rst5
-rw-r--r--docs/library/math.rst3
2 files changed, 7 insertions, 1 deletions
diff --git a/docs/library/cmath.rst b/docs/library/cmath.rst
index e45efee303..465cf54ad3 100644
--- a/docs/library/cmath.rst
+++ b/docs/library/cmath.rst
@@ -4,9 +4,12 @@
.. module:: cmath
:synopsis: mathematical functions for complex numbers
-The ``cmath`` module provides some basic mathematical funtions for
+The ``cmath`` module provides some basic mathematical functions for
working with complex numbers.
+Availability: not available on WiPy and ESP8266. Floating point support
+required for this module.
+
Functions
---------
diff --git a/docs/library/math.rst b/docs/library/math.rst
index 743b4fd58e..9d5cf7b4ba 100644
--- a/docs/library/math.rst
+++ b/docs/library/math.rst
@@ -9,6 +9,9 @@ working with floating-point numbers.
*Note:* On the pyboard, floating-point numbers have 32-bit precision.
+Availability: not available on WiPy. Floating point support required
+for this module.
+
Functions
---------