The Accounting Equation is an interactive tutorial designed for British students enrolled in introductory principles of accounting courses. A scenario is presented that has owner, Jim Sayers, starting a business he calls Crossroads Bicycles. He engages in several transactions that affect only the balance sheet as he gets ready to provide goods and services to his customers. The tutorial includes 4 exercises and a final summary based on Jim's business activities. Within each exercise the user responds to a variety of questions in order to self-test ones understanding of the accounting equation, duality concept, and effects of transactions on the balance sheet.