HELP PI                                             Steven Hardy, March 1982

This variable has as its value the mathematical constant 'pi', i.e. 3.1416...
The number is stored in double precision decimal form (ddecimal).

See REF *NUMBERS for details of numbers and mathematical operations
available in POP-11.

See also HELP
    *DECIMALS - for the distinction between integers, decimals and ddecimals
    *MATH - for a summary of mathematical operations in POP-11

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--- Copyright University of Sussex 1987. All rights reserved. ----------
