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/*
Java Programming for Engineers
Julio Sanchez
Maria P. Canton
ISBN: 0849308100
Publisher: CRC Press
*/
// Java for Engineers
//Filename: Logs
//Reference: Chapter 23
//Description:
// Conversion between polar and rectangular
// coordinates
//Requires:
// Keyin class in current directory
import java.lang.*;
strictfp class Logs
{
public static void main(String[] args)
{
double num, loge, log10, aloge, alog10;
// Obtain input from user
num = 0.111d;
// Calculate and display the natural logarithm
loge = Math.log(num);
System.out.println("log base e = " + loge);
// Calculate the common log
log10 = Math.log(num)/Math.log(10.0);
System.out.println("log base 10 = " + log10);
// Calculate the antilogarithm of log base e
aloge = Math.exp(loge);
System.out.println("antilog of log base e = " + aloge);
// Calculate the antilogarithm of log base 10
alog10 = Math.pow(10.0, log10);
System.out.println("anitlog of log base 10 = " + alog10);
}
}
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