1 files changed, 18 insertions, 0 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js
index 410a0e23..7842775b 100644
--- a/lib/js/urweb.js
+++ b/lib/js/urweb.js
@@ -116,7 +116,25 @@ function pow(n, m) {
     return Math.pow(n, m);
 }
 
+function sqrt(n){
+    return Math.sqrt(n);
+}
+
+function sin(n){
+    return Math.sin(n);
+}
+
+function cos(n){
+    return Math.cos(n);
+}
+
+function log(n){
+    return Math.log(n);
+}
 
+function exp(n){
+    return Math.exp(n);
+}
 // Time, represented as counts of microseconds since the epoch
 
 var time_format = "%c";