From: arne@vajhoej.dk   
      
   On 8/19/2025 1:26 PM, Dan Cross wrote:   
   > And despite the old admonition to make everything a symbolic   
   > constant, things like `2 * pi * r` are perfectly readable, and   
   > I'd argue that `TWO * pi * r` are less so.   
      
   I would say that TWO and 2 are the same regarding readability.   
      
   The problem with TWO is not readability, but lack of purpose.   
      
   There are two good reasons to introduce symbolic names for constants:   
   1) The name can be more self documenting than a numeric value   
   2) If the constant is used multiple places, then having a symbolic   
       name makes it easier to change the value   
      
   But neither applies.   
      
   TWO does not provide more information than 2.   
      
   And it would be very unwise to change the value of TWO   
   to something different from 2.   
      
   Arne   
      
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