the Egyptians
Every person who has ever used the "value" of pi in a calculation has used an approximation.
Archimedes
Pi can be calculated to millions of decimal places and it has not come out even yet, so there is no apparent limit to the number of 1's that will appear in the calculation.
You can only express this exactly by leaving it as is: 22/7 times pi. If you want a decimal approximation, use an approximation of pi, for example. 3.1416, and do the calculation on a calculator.
the Egyptians
3.141592654 rounded by the calculator
pi is currently at 4 million digits
You take the circumference of a circle and divide it by the diameter.
While there is no fraction form for pi, 22/7 is an approximation of pi that can be used for a rough calculation .
The most accurate calculation of pi is currently estimated to be around 31.4 trillion decimal places. This calculation was achieved using supercomputers and advanced mathematical algorithms. However, for most practical purposes, using pi to just a few decimal places (3.14159) is sufficient.
Archimedes
The most accurate calculation of pi currently is 62.8 trillion digits, achieved by Timothy Mullican in January 2022 using the y-cruncher software. It took over 108 days to complete the calculation.
The circumference of a circle when divided by its diameter is the value of pi which is an irrational number that can't be expressed as an exact fraction.
Archimedes
Archemedes
Herman H. Harris has written: 'The history and calculation of pi' -- subject(s): Pi