(calc-language): Add languages to docstring.

1 files changed, 3 insertions, 0 deletions

diff --git a/lisp/calc/calc.el b/lisp/calc/calc.el
index 76b01a61ec4..3b3e308eb18 100644
--- a/lisp/calc/calc.el
+++ b/lisp/calc/calc.el
@@ -685,6 +685,9 @@ If `C' is present, display outer brackets for matrices (centered).")
   tex           Use TeX notation.
   latex         Use LaTeX notation.
   eqn           Use eqn notation.
+  yacas         Use Yacas notation.
+  maxima        Use Maxima notation.
+  giac          Use Giac notation.
   math          Use Mathematica(tm) notation.
   maple         Use Maple notation.")