R eports are written for a number of reasons, as listed below. In all cases they are designed to communicate technical information. Report readers are often looking for clear details that lead to specific results and a clear set of conclusions. By way of contrast, they are not looking for content that is overly general, vague, philosophical, or riddled with artistic diversions.
? to earn good grades as a student you must write them (lets ignore this one)
? to let other engineers know the results of an experiment or a design
? to leave a record of work done so that others may continue from where you left off
? to leave a record you may use yourself if you must do work again some time later
? to legally document work that is required by contract or legislation