Π

Translingual

Symbol

1. Template:Lb The lemniscate constant, a Template:L constant representing the ratio of the perimeter of Bernoulli's lemniscate to its diameter; approximately 2.62205755.
2. Template:Lb diameter of a model κ-plane:

   ${\varpi }^{\kappa }$

3. Template:Lb uniformizer of a localisation of a number ring at a regular prime ideal:

   Template:Head

4. Template:Lb perihelion, etc.:

   $\varpi$

5. Template:Lb angular frequency of a wave

Usage notes

• This is a glyph variant of lower-case pi.

Greek

Letter

1. Rare variant of the lower case letter pi (πι), the 16th letter of the modern Greek alphabet.