This page provides work in the use of Graham's Law of Effusion. Its operation is very straightforward. When you press "New Problem", a window with a question will open. You may have to relocate the new window. The question may require that you do a calculation and enter a numeric value or it may be multiple choice. Determine the correct response and submit your answer. Resulting and scoring are kept on the main window.
If you miss a problem three times, pressing the "Show Answer" button will cause the correct answer to appear.
This javascript was written by Prof. George Wiger at California State University, Dominguez Hills.