Appointment Calendar is a simple but effective plugin which enables you to take appointments on your wordpress blog. If you are a consultant/doctor/lawyer etc, you can harness the power of appointment calendar. Simply unzip and upload appointment-calendar directory to /wp-content/plugins/ directory and activate the plugin. Use the shortcode [APCAL] to insert calendar into any post or page. Thats it, you can now start taking appointments on your wordpress site.