Welcome to Probability Calculator. Probability Calculator is a Java applet designed to find the probability of two different events both happening or the probability of either event happening. The user enters the probability of each event happening and the applet will display the results depending on the option the user selects.

If you do not see the Probability Calculator, your browser does not support Java applets. You need to get a browser which supports java applets. (Netscape or Internet Explorer 3.x or higher are recommended)

Note:

If you do not see the Probability Calculator, your browser does not support Java applets. You need to get a browser which supports Java applets. (Netscape or Internet Explorer 3.x or higher are recommended)

Please read the RULES carefully before using the applet.