https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21Plugin%21Field%21FieldFormatter%21DecimalFormatter.php/class/DecimalFormatter/10
class DecimalFormatter | Drupal API
classdrupalapi
https://nablarch.github.io/docs/LATEST/javadoc/nablarch/common/web/tag/DecimalFormatter.html
DecimalFormatter (Nablarch-API)
declaration: package: nablarch.common.web.tag, class: DecimalFormatter
api