InfoWorld

BigDecimal, Groovy, and the Non-terminating Decimal Expansion

Not all Java developers need the precision that BigDecimal offers. However, those who do usually don’t have to use BigDecimal for very long before running into the java.lang.ArithmeticException with ...
note

コード日和(びより)♪プログラミング講師

金額計算など、小数の誤差を許容できない場面で利用されるクラス。 なぜ BigDecimal が必要なのか float や double は 2進数 で小数を表現するため、計算時に誤差が発生する。 0.1 + 0.2 の計算結果が 0.3 ではなく 0.30000000000000004 となることがあるのでBigDecimal を使う。
cc.gatech.edu

Class BigDecimal

Immutable, arbitrary-precision signed decimal numbers. A BigDecimal consists of an arbitrary precision integer unscaled value and a non-negative 32-bit integer scale, which represents the number of ...
GitHub

Time::at with BigDecimal emits Java Negative Exponent exception

jruby 9.3.4.0 (2.6.8) 2022-03-23 eff48c1ebf OpenJDK 64-Bit Server VM 11.0.14.1+1 on 11.0.14.1+1 +jit [x86_64-darwin] Darwin maybe.lan 21.6.0 Darwin Kernel Version 21. ...
InfoWorld

Make cents with BigDecimal

A program that creates and displays a BigDecimal amount is shown below: import java.math.*; public class Mortgage { public static void main(String[] args ...
GitHub

Scala BigDecimal DecimalFormat format seems to lack precision of Java BigDecimal

Not sure of priority, please re-prioritise. Further details also available here: typelevel/scala#95 The precision of DecimalFormat with Scala BigDecimal seems lower than that of DecimalFormat with ...