Variable: pi
pi is a variable defined in float-sup.el.gz.
This variable is obsolete since 23.3; use float-pi instead.
Value
3.141592653589793
Documentation
Obsolete since Emacs-23.3. Use float-pi instead.
Probably introduced at or before Emacs version 23.3.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/float-sup.el.gz
(with-suppressed-warnings ((lexical pi))
(defconst pi float-pi
"Obsolete since Emacs-23.3. Use `float-pi' instead."))