Locale & Internationalization
Character Sets »
$CharacterEncoding — resettable default character encoding
$SystemCharacterEncoding — operating system character encoding
CharacterRange ▪ ToCharacterCode ▪ FromCharacterCode
Language
$Language — resettable default list of languages for information, messages, spelling, etc.
Language — option specifying language in which notebook interface elements are displayed
TranslationOptions — front end option that controls the display of code translations
SpellingOptions — front end option that controls spellchecking behavior
ShowAutoSpellCheck — whether to highlight spelling errors
LanguageCategory ▪ DefaultNaturalLanguage
Programmatic Language Handling »
LanguageIdentify — automatically identify what language text is in
Transliterate ▪ TextTranslation ▪ WordTranslation ▪ IntegerName ▪ ...
Date & Time »
$TimeZone — resettable default time zone
DateString — dates and times with specified formats, in any time zone
$DateStringFormat — resettable default date and time format
AbsoluteTime ▪ DateList ▪ ...
Geodetic Location »
$GeoLocation — settable current geodetic location
FindGeoLocation — try to find the current location using GPS, geoIP, etc.
Number Formatting »
NumberForm — output with specified number formatting