In Java, BigDecimal (https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/math/BigDecimal.html https://docs.oracle.com/en/java/javase/21/docs/api/j

In Java, BigDecimal (https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/math/BigDecimal.html https://docs.oracle.com/en/java/javase/21/docs/api/java.base...) is the standard. It's used widely in every bank around the world. In Python, you have Decimal. In C#, Decimal works also great. It's not like COBOL has a particular edge against "modern" languages, but it has legacy with it.