Create a format locale
fmt_locale
fmt_default_locale
Common Format Locales
fmt_locales
Format numbers
fmt_new
fmt
Format Specification
as_fmt_spec
fmt_spec
Suggested precision for fixed decimal formats
precision_fixed
precision_fixed_
Suggested precision for SI Prefix formatting
precision_prefix
precision_prefix_
Suggested precision for rounded significant digit formats
precision_round
precision_round_
Lookup SI prefix
si_prefix
si_prefix.character
si_prefix.integer
si_prefix.numeric
SI Prefixes
SI_PREFIXES