Java tutorial
//package com.java2s; //License from project: Apache License import java.math.BigDecimal; public class Main { public static double sub(double v1, double v2) { BigDecimal b1 = new BigDecimal(Double.toString(v1)); BigDecimal b2 = new BigDecimal(Double.toString(v2)); return b1.subtract(b2).doubleValue(); } public static double sub(float v1, float v2) { BigDecimal b1 = new BigDecimal(Float.toString(v1)); BigDecimal b2 = new BigDecimal(Float.toString(v2)); return b1.subtract(b2).doubleValue(); } }