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				@@ -327,7 +327,7 @@ Another utility macro is ~when-classified-as~, which takes a ~classification~, a 
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				        ,@body)) 
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				 #+END_SRC 
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				-** WORKING Classifications [0/13] 
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				+** WORKING Classifications [1/13] 
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				 :PROPERTIES: 
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				 :CREATED:  <2016-05-02 Mon 13:56> 
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				 :ID:       dcce4a6b-1b2d-4638-a82b-0c4917b0698a 
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				@@ -366,13 +366,14 @@ I define the following classifications: 
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				   <<et-classify-trigonometrics>> 
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				 #+END_SRC 
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				-*** TODO Numbers 
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				+*** DONE Numbers 
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				+CLOSED: [2016-06-14 Tue 23:58] 
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				 :PROPERTIES: 
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				 :CREATED:  <2016-05-02 Mon 14:26> 
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				 :ID:       42081153-7cc5-42ff-a17f-53e171c6d1a7 
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				 :END: 
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				-# Check to see if a given expression is a number using ~numberp~. 
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				+A number is defined as anything that satisfies the built-in ~numberp~.  This includes integers, rationals, floats and complex numbers. 
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				 #+Caption: Classify Numbers 
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				 #+Name: et-classify-numbers 
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