Variable: calc-gnuplot-name
calc-gnuplot-name is a customizable variable defined in calc.el.gz.
Value
"gnuplot"
Documentation
Name of GNUPLOT program, for calc-graph features.
This variable was added, or its default value changed, in Emacs 26.2.
Source Code
;; Defined in /usr/src/emacs/lisp/calc/calc.el.gz
(defcustom calc-gnuplot-name
(if (and (eq system-type 'windows-nt)
;; Gnuplot v4.x on MS-Windows came with a special
;; pipe-enabled gnuplot executable for batch-mode
;; execution; newer versions allow using gnuplot.exe.
(executable-find "pgnuplot"))
"pgnuplot"
"gnuplot")
"Name of GNUPLOT program, for calc-graph features."
:type '(string)
:version "26.2")