1. Home
  2. Computing & Technology
  3. Delphi Programming
Glossary|Tips/Tricks|FREE App/VCL|Best'O'Net|Books|Link Back

Delphi Programming RTL Reference|By Category|Alphabetically|By Unit
 

LogN

unit
System
category
arithmetic routines

declaration
function LogN(const Base, X: Extended): Extended;

description
Returns the logarithm of a number for a given base.


Where:
Base ^ LogN(Base,X) = X

example
var rez : extended;

rez := LogN(10,100);
//ret == 2

rez := LogN(3,81);
//ret == 4

in real code

see also
Exp, Ln,


 Free Delphi code snippet inside every Delphi Newsletter!
Subscribe to the Newsletter
Name
Email

 Got some code to share? Got a question? Need some help?
Zarko Gajic
Guide since 1998

Zarko Gajic
Delphi Programming Guide

Explore Delphi Programming

More from About.com

  1. Home
  2. Computing & Technology
  3. Delphi Programming

©2008 About.com, a part of The New York Times Company.

All rights reserved.