A rule of thumb is a principle with broad application that is not intended to be strictly accurate or reliable for every situation. It is an easily learned and easily applied procedure for approximately calculating or recalling some value, or for making some determination. Compare this to heuristic, a similar concept used in mathematical discourse, psychology, and computer science, particularly in algorithm design.
Read more about Rule Of Thumb: Origin of The Phrase, Thumb As Measurement Device, Thumb Used For Regulation, Examples of Usage
Famous quotes containing the words rule of, rule and/or thumb:
“When I came of age I did not know much. Still somehow, I could read, write, and cipher to the Rule of Three.... The little advance I now have upon this store of education, I have picked up from time to time under the pressure of necessity.”
—Abraham Lincoln (1809–1865)
“He who allows me to rule is in fact my master.”
—Pierre Corneille (1606–1684)
“I had a consuming ambition to possess a miller’s thumb. I believe I have never since wanted anything more desperately than I wanted my right thumb to be flattened as my father’s had become, during his earlier years of a miller’s life.”
—Jane Addams (1860–1935)