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Is measurements can be exact?
They cannot be because of errors that can be made by the measurer, calibration of instruments.
How many pencils will be in each package if the greatest number of identical packages are made from 72 pencils and 24 calculators?
3 pencils to each calculator
What is the formula for calculating Nike Sparq scores?
The formula used to determine the SPARQ ratings have never been made public. Sometimes you are able to use calculators on the website to work out your scores.
What caused the slide rule to fade from use?
It was the development and rapid popularity of electronic calculators, and then computers. Slide rules are amazing devices, but people can have nearly instant answers with any degree of accuracy desired without having to know how to do the calculations on a slide rule. And let's face it; people who used them all the time may have been quite good with them, but some of the processes were tricky and needed a little time to master.
Why don't people use slide rules anymore?
The use of slide rules declined quickly after the introduction of inexpensive calculators. By 1976, calculators could be purchased at prices competitive with slide rules, and since their use did not require special training, they were more accurate, and they had greater functionality, it made little sense for most people to get slide rules. There are still some slide rules being manufactured for special purposes, however. One such is a circular proportional scale used for determining the size to make a copy on a copy machine according to a different size of paper from the original.
