Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateInternal functions → PI()
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PI()

Available in: DSQL, PSQL

Added in: 2.1

Description: Returns an approximation of the value of π.

Result type: DOUBLE PRECISION

Syntax: 

PI ()

Important

If the external function PI is declared in your database, it will override the internal function. To make the internal function available, DROP or ALTER the external function (UDF).

Prev: OVERLAY()Firebird Documentation IndexUp: Internal functionsNext: POSITION()
Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateInternal functions → PI()