※ GPS Online Service
To use GPS 2.1 in your web browser, you should install Sun Microsystems Java Runtime Environment (JRE). To get the latest version of the JRE, please visit the http://java.com page, and choose the proper JRE package based on your operating system and browser. For convenience, you can also download the JRE packages from our website.
If your sequences > 1000, please download the local version to predict.
The local version
is more powerful and has more functions.
GPS 2.1 Applet will appear below in a Java 1.5 or later enabled web browser.