Variable: calc-lang-allow-underscores
calc-lang-allow-underscores is a variable defined in calc.el.gz.
Value
(maple giac maxima fortran pascal c)
Documentation
A list of languages which allow underscores in variable names.
Source Code
;; Defined in /usr/src/emacs/lisp/calc/calc.el.gz
(defvar calc-lang-allow-underscores nil
"A list of languages which allow underscores in variable names.")