14 окт. 2023 г. · 22/7 is actually an approximation that has been in use since Archimedes' time, and was a world record for accuracy for a while.

19 июл. 2022 г. · If you have to use pen and paper, just use Pi, it's faster. 22/7 isn't even a good enough approximation. It's only accurate up to 3.14. Also 22 ...

5 авг. 2023 г. · 22/7 is a convergent to pi, so it is the most accurate for denominators up to 7. The fraction you gave is not a convergent ...

14 нояб. 2023 г. · You probably were taught this to remember the actual value of pi, ie=3.14... is harder to remember for some people than 22/7.

31 мар. 2023 г. · Using 22/7 will very, very rarely simplify a problem and it's a solid approximation--it's actually closer to the exact value than 3.14 is!

6 июн. 2016 г. · 22/7 is the closest approximation to π you can get as a fraction without going into the hundreds or thousands for numerator&denominator.

21 мар. 2021 г. · There is no exact fraction for pi because pi has been proven to be irrational. However, 22/7 is a pretty good approximation.

11 авг. 2022 г. · Since no one had mentioned it. 22/7 is a convergent for pi, the 2nd one in the sequence of convergent. So it's the closest approximation of pi ...

1 июл. 2024 г. · It's an ancient Egyptian approximation. Good enough for daily use in most practical applications. Not good enough for CAD.

22/7 is nice for back of the envelope calculations (how many cans of paint to paint a cylinder o radius r, and height h - I'm going to add a 5 to 10% margin ...