The Electronic Mechanic; Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: basic electronics including circuitry, schematics, and wiring diagrams; use of electronic test equipment; operation, maintenance, and repair of equipment used in instrumentation including meters, sensors, indicators, recorders, and data acquisition equipment; understanding and interpreting technical material; mathematics including algebra, geometry and trigonometry; and more.