initial check-in of arduino docs in RST format (converted using wget+pandoc)

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+.. _arduino-fpconstants:
+
+floating point constants
+========================
+
+Similar to integer constants, floating point constants are used to
+make code more readable. Floating point constants are swapped at
+compile time for the value to which the expression evaluates.
+
+
+
+Examples:
+
+
+
+``n = .005;``
+
+
+
+Floating point constants can also be expressed in a variety of
+scientific notation. 'E' and 'e' are both accepted as valid
+exponent indicators.
+
+
+
+::
+
+    
+    floating-point   evaluates to:      also evaluates to:
+      constant 
+    
+       10.0              10
+      2.34E5          2.34 * 10^5             234000
+      67e-12        67.0 * 10^-12         .000000000067
+
+