fix square root of 0

2020-06-10 11:26:17 -04:00
parent 141b108fd5
commit 88714e3a1d
2 changed files with 4 additions and 4 deletions
--- a/js/jvon-interpret.js
+++ b/js/jvon-interpret.js
@@ -678,7 +678,7 @@ document.addEventListener('DOMContentLoaded', function () {
        var syntax = $scope.check_syntax(value);
 		var sqr;
        if (syntax.type == "blank") {
-            if ($scope.ac == "") {
+            if (typeof $scope.ac != 'number') {
                alert($scope.strings.error_ac);
                $scope.stop_code();
            }