There are three constants in life... change, choice and principles.
Universal coding for computers is sought that uses relative addresses and a pseudocode and that assembles and translates, printing out a directory of final addresses of key commands, variables, and constants.saul gorn
Very soon I discovered that if one gets a feeling for no more than a dozen other radiation and nuclear constants, one can imagine the subatomic world almost tangibly, and manipulate the picture dimensionally and qualitatively, before calculating more precise relationships.stanislaw ulam
War is one of the constants of history, and has not diminished with civilization or democracy.
The primary purpose of the DATA statement is to give names to constants; instead of referring to pi as 3.141592653589793 at every appearance, the variable PI can be given that value with a DATA statement and used instead of the longer form of the constant. This also simplifies modifying the program, should the value of pi change.