-- Scientific notation in number literals.
-- Useful for finance, science, and policy figures where the alternative
-- (e.g. 1000000000.0) is verbose and easy to miscount.
-- US federal deficit projection (rough, in dollars): 1.9 trillion.
deficit>n;1.9e12
-- Planck's constant (J*s), 6.62607015e-34.
planck>n;6.62607015e-34
-- Combine: scale a budget figure to billions by dividing by 1e9.
in-billions x:n>n;/x 1e9
-- run: deficit
-- out: 1900000000000
-- run: planck
-- out: 0.000000000000000000000000000000000662607015
-- run: in-billions 5e11
-- out: 500