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-rw-r--r--src/sexpr.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/sexpr.rs b/src/sexpr.rs
index 6cef563..da1012e 100644
--- a/src/sexpr.rs
+++ b/src/sexpr.rs
@@ -16,9 +16,9 @@ use std::path::Path;
//////////// Types and Constants
-const SEXPR_BUILTINS: [&'static str; 14] = [
+const SEXPR_BUILTINS: [&'static str; 15] = [
"=", ">", ">=", "<", "<=",
- "+", "-", "*", "/",
+ "+", "-", "*", "/", "^",
"exp", "log", "sin", "cos", "tan",
];