Most calculators use the rounded-off version of pi, which is 3.14159265 (eight significant digits are more than most math problems will require).
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I have not yet come across a calculator with a single button for pi, but pi equals 22 divided by 7(3.142...). Hope I helped.
I believe it is 3.14 or just hit the pi on the calculator.
Yes if pi=22/7.
In a calculator pi^(1/2) = pi^(0.5) = 3.141592.....^ (1/2) = 1.772453851.... Since 'pi' is an irrational number, then the square root of 'pi' is also irrational .
Calculate: C = pi times r.