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Pi (Pi)

Pi
is Pi, with numerical value =3.14159.
  • Mathematical constant treated as numeric by NumericQ and as a constant by D.
  • Pi can be evaluated to any numerical precision using N.
EXAMPLESCLOSE ALL
Basic Examples   (3)
Pi can be entered as Esc p Esc:
Evaluate to any precision:
Do an exact numerical computation:
Pi can be entered as Esc p Esc:
In[1]:=
Click for copyable input
Out[1]=
 
Evaluate to any precision:
In[1]:=
Click for copyable input
Out[1]=
 
Do an exact numerical computation:
In[1]:=
Click for copyable input
Out[1]=
Scope   (1)
Find the millionth digit of Pi in base 10:
Applications   (5)
Find an area of a circle:
The first 20 digits of Pi in base 10:
Trigonometric functions have arguments in radians:
Many mathematical functions and operations give results involving Pi:
Properties & Relations   (2)
Various symbolic relations are automatically used:
Pi is treated as a constant in differentiation:
Neat Examples   (2)
Walk corresponding to the binary digits of Pi:
Terms in the continued fraction:
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