пи
pi (the Greek letter Π (P)/π (p))
Noun | neuter | inanimate | indeclinable
пи is indeclinable: it keeps this one form in all six cases, singular and plural.
Declension of пи
пи
the English letter P/p; a pee
Noun | neuter | inanimate | indeclinable
пи is indeclinable: it keeps this one form in all six cases, singular and plural.