java.lang.Math.exp(double a) java.lang.Math.cosh(double a) java.lang.Math.expm1(double x) java.lang.Math.exp(double a) package com.codingdict; import java.lang.*; public class MathDemo { public static void main(String[] args) { // get two double numbers double x = 5; double y = 0.5; // print e raised at x and y System.out.println("Math.exp(" + x + ")=" + Math.exp(x)); System.out.println("Math.exp(" + y + ")=" + Math.exp(y)); } } java.lang.Math.cosh(double a) java.lang.Math.expm1(double x)