Difference between revisions of "Constant"

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== read more ==
 
== read more ==
* [[Const]
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* [[Const]]
 
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* [[Constants]]
  
 
[[Category:Constants]]
 
[[Category:Constants]]
 
[[Category:Pascal]]
 
[[Category:Pascal]]

Revision as of 16:10, 26 July 2016

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A constant is something that does not change, a fixed value.

Constants are defined in the const section of the program. When some value are constant the compiler can do some optimizations.

Some special constant values are e.g.

Logical truth values

Empty pointer value

Mathematical constants

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