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Math::Constants zef:jjmerelo last updated on 2022-11-28

Math: :Constants [![.github/workflows/test.yaml](](

Math::Constants - A few constants defined in Raku


#!/usr/bin/env raku

use Math::Constants;

say "We have ", phi, " ", plancks-h, " ",  plancks-reduced-h, " ", 
    c, " ", G, " and ", fine-structure-constant, " plus ",
    elementary-charge, " and ", vacuum-permittivity ;

say "And also  φ ", φ, " α ", α,  " ℎ ",  ℎ, " and ℏ ", ℏ,
    " with e ", e, " and ε0 ", ε0;

say "We are flying at speed ", .1c;


Math::Constants is a collection of Math and Physics constants that will save you the trouble of defining them.

Constants included

Physical constants

All the physical constants have the CODATA 2018 recommended values. These reflect the new definitions of the kilogram and ampere as of 2019-05-20.

Mathematical constants


"Units" can be used as suffix; the number will be multiplied by its value

Issues and suggestions

Please post them in GitHub. Pull requests are also welcome.


JJ Merelo [email protected]

Kevin Pye [email protected]


Copyright 2016-2022 JJ Merelo

Copyright 2019 Kevin Pye

This library is free software; you can redistribute it and/or modify it under the GPL 3.0.