Five Easy Pieces of four: The title of "Five Easy Pieces" refers not to the women its hero makes along the road, for there are only three, but to a book of piano exercises he owned as a child. The film, one of the best American films, is about the distance between that boy, practicing to become a concert pianist, and the need he feels 20 years later to disguise himself as an oil-field rigger. When we sense the boy, tormented and insecure, trapped inside the adult man, "Five Easy Pieces" becomes a masterpiece of heartbreaking intensity... The movie is joyously alive to
Instrument error five-pound weight could be measured on a scale and then the difference between five pounds and the measured weight could be the accuracy. The second definition makes accuracy related to calibration, while the first definition does not. The instrument error is not like random error, that can't be removed. Sometimes the removal of instrument errors are very easy, but it is case dependent. In Engineering instruments, like voltmeter or ammeter for example, the instrument error is very difficult to remove. Ammeter has built in resistance, which can't be removed either way. So the only way is to minimize it. On