1 files changed, 71 insertions, 0 deletions
diff --git a/source/arduino/max.rst b/source/arduino/max.rst
new file mode 100644
index 0000000..375625c
--- /dev/null
+++ b/source/arduino/max.rst
@@ -0,0 +1,71 @@
+.. _arduino-max:
+
+max(x, y)
+=========
+
+Description
+-----------
+
+Calculates the maximum of two numbers.
+
+
+
+Parameters
+----------
+
+x: the first number, any data type
+
+
+
+y: the second number, any data type
+
+
+
+Returns
+-------
+
+The larger of the two parameter values.
+
+
+
+Example
+-------
+
+::
+
+    sensVal = max(senVal, 20); // assigns sensVal to the larger of sensVal or 20
+                               // (effectively ensuring that it is at least 20)
+
+Note
+----
+
+Perhaps counter-intuitively, max() is often used to constrain the
+lower end of a variable's range, while min() is used to constrain
+the upper end of the range.
+
+
+
+Warning
+-------
+
+Because of the way the max() function is implemented, avoid using
+other functions inside the brackets, it may lead to incorrect
+results
+
+
+
+::
+
+    max(a--, 0);   // avoid this - yields incorrect results
+    
+    a--;           // use this instead -
+    max(a, 0);     // keep other math outside the function
+
+
+
+See also
+--------
+
+
+-  `min <http://arduino.cc/en/Reference/Min>`_\ ()
+-  `constrain <http://arduino.cc/en/Reference/Constrain>`_\ ()