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 Platforms to run MicroPython also have different characteristics. If you have
 special requirements such a battery powered operation or high speed I/O, search
-discussions and if necessary request help before spending money.
+discussions and if necessary request help before spending money. Different 
+platforms also [differ in how they support numerical computations](https://github.com/micropython/micropython/wiki/Floating-Point-Support).
+
 
 # 3. Concurrency