diff --git a/common/lib/xmodule/xmodule/gst_module.py b/common/lib/xmodule/xmodule/gst_module.py
index 633f5e9406..c07c0670d7 100644
--- a/common/lib/xmodule/xmodule/gst_module.py
+++ b/common/lib/xmodule/xmodule/gst_module.py
@@ -129,8 +129,7 @@ class GraphicalSliderToolModule(XModule):
         """
         #substitute plot
         plot_div = '<div class="' + self.html_class + '_plot" id="' + self.html_id + '_plot" \
-        style="width: 600px; height: 600px; padding: 0px; position: relative;"> \
-        This is plot</div>'
+        style="width: 600px; height: 600px; padding: 0px; position: relative;">This is plot</div>'
         html_string = html_string.replace('$plot$', plot_div)
 
         # substitute sliders
@@ -140,7 +139,7 @@ class GraphicalSliderToolModule(XModule):
         vars = [x['@var'] for x in sliders]
 
         slider_div = '<div class="{element_class}_slider" id="{element_id}_slider_{var}" \
-        data-var="{var}">This is slider</div>'
+        data-var="{var}"></div>'
 
         for var in vars:
             html_string = re.sub(r'\$slider\s+' + var + r'\$',
diff --git a/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js b/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js
index 762789cbf5..991cb0a26e 100644
--- a/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js
+++ b/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js
@@ -28,6 +28,8 @@ define('Graph', [], function () {
         return;
 
         function createFunctions() {
+            var c1;
+
             functions = [];
 
             if (typeof config.plot['function'] === 'undefined') {
@@ -39,7 +41,11 @@ define('Graph', [], function () {
             } else if ($.isPlainObject(config.plot['function']) === true) {
 
             } else if ($.isArray(config.plot['function'])) {
-
+                for (c1 = 0; c1 < config.plot['function'].length; c1++) {
+                    if (typeof config.plot['function'][c1] === 'string') {
+                        addFunction(config.plot['function'][c1]);
+                    }
+                }
             }
 
             return;
diff --git a/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js b/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js
index e871e9f035..226f53d696 100644
--- a/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js
+++ b/common/lib/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js
@@ -112,6 +112,7 @@ define('Sliders', [], function () {
                 'min': valueMin,
                 'max': valueMax,
                 'value': constValue,
+                'step': 0.01,
 
                 'change': sliderOnChange
             });