The best replacement for constants is variables.

The best alternatives to constants are rated as following:
★★★★★  variables
★★★★  enums
★★★  controls
★★  literals
★★  enums java
★★  variables php
★★  enum
★  static variables
★  controlled variables
  vowels
  enumerations

Your alternative for constants is not listed? Suggest!
Speaking about constants, one probably shouldn't forget about derivatives.

Other search terms related to constants and their ratings are:
★★★★★ derivatives
★ two springs
You have in mind a companion for constants and it is not yet here? Propose!



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constants
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