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In physics or engineering education , a Fermi problem , Fermi quiz , Fermi question , Fermi estimate , or Order estimation is an estimation problem designed to teach dimensional analysis , approximation , and the importance of clearly identifying one's assumptions. The solution of such a problem is usually a back-of-the-envelope calculation . The estimation technique is named after physicist Enrico Fermi as he was known for his ability to make good approximate calculations with little or no actual data. Fermi problems typically involve making justified guesses about quantities and their variance or lower and upper bounds.

Steroidi su zakon

steroidi su zakon

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