Java tutorial
import java.math.BigDecimal; public class Main { public static void main(String[] argv) throws Exception { // Create via a string BigDecimal bd1 = new BigDecimal("123456789.0123456890"); // Create via a long BigDecimal bd2 = BigDecimal.valueOf(123L); bd1 = bd1.add(bd2); bd1 = bd1.multiply(bd2); bd1 = bd1.subtract(bd2); bd1 = bd1.divide(bd2, BigDecimal.ROUND_UP); bd1 = bd1.negate(); } }