Reciprocal/Examples/Pi

Example of Reciprocal

The reciprocal of $\pi$ (pi) is approximately:

$\dfrac 1 \pi \approx 0 \cdotp 31830 \, 98861 \, 83790 \, 67153 \, 77675 \, 26745 \, 02872 \, 40689 \, 19291 \, 480 \ldots$

This sequence is A049541 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).


Sources

  • 1964: Milton Abramowitz and Irene A. Stegun: Handbook of Mathematical Functions ... (previous) ... (next): Table $1.1$. Mathematical Constants
  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $0 \cdotp 301 \, 029 \, 995 \, 663 \, 981 \ldots$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $0 \cdotp 31830 \, 98861 \, 83790 \, 67153 \, 77675 \, 26745 \, 02872 \, 40689 \, 19291 \, 480$
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