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-rw-r--r--src/math-buttons.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/math-buttons.c b/src/math-buttons.c
index 3c71ed3..d33422b 100644
--- a/src/math-buttons.c
+++ b/src/math-buttons.c
@@ -178,6 +178,15 @@ static ButtonData button_data[] = {
{"tangent", "tan ", FUNCTION,
/* Tooltip for the tangent button */
N_("Tangent")},
+ {"inverse_sine", "asin", FUNCTION,
+ /* Tooltip for the inverse sine button */
+ N_("Inverse Sine")},
+ {"inverse_cosine", "acos", FUNCTION,
+ /* Tooltip for the inverse cosine button */
+ N_("Inverse Cosine")},
+ {"inverse_tangent", "atan", FUNCTION,
+ /* Tooltip for the inverse tangent button */
+ N_("Inverse Tangent")},
{"hyperbolic_sine", "sinh ", FUNCTION,
/* Tooltip for the hyperbolic sine button */
N_("Hyperbolic Sine")},