1 files changed, 10 insertions, 6 deletions

diff --git a/math.c b/math.c
index eb8f331fd..15a826ce4 100644
--- a/math.c
+++ b/math.c
@@ -92,15 +92,19 @@ struct op {
 };
 
 static const struct op operators[] = {
-        {"+", add},
-        {"-", sub},
-        {"*", mul},
-        {"/", divide},
+        {"+",   add},
+        {"add", add},
+        {"-",   sub},
+        {"sub", sub},
+        {"*",   mul},
+        {"mul", mul},
+        {"/",   divide},
+        {"div", divide},
         {"and", and},
-        {"or", or},
+        {"or",  or},
         {"not", not},
         {"eor", eor},
-        {0, 0}
+        {0,     0}
 };
 
 static void stack_machine(const char *argument)