diff --git a/_examples/mbarchart.go b/_examples/mbarchart.go
deleted file mode 100644
index 63ed11e..0000000
--- a/_examples/mbarchart.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
-// Use of this source code is governed by a MIT license that can
-// be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import ui "github.com/gizak/termui"
-
-func main() {
-	err := ui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer ui.Close()
-
-	bc := ui.NewMBarChart()
-	math := []int{90, 85, 90, 80}
-	english := []int{70, 85, 75, 60}
-	science := []int{75, 60, 80, 85}
-	compsci := []int{100, 100, 100, 100}
-	bc.Data[0] = math
-	bc.Data[1] = english
-	bc.Data[2] = science
-	bc.Data[3] = compsci
-	studentsName := []string{"Ken", "Rob", "Dennis", "Linus"}
-	bc.BorderLabel = "Student's Marks X-Axis=Name Y-Axis=Marks[Math,English,Science,ComputerScience] in %"
-	bc.Width = 100
-	bc.Height = 30
-	bc.Y = 0
-	bc.BarWidth = 10
-	bc.DataLabels = studentsName
-	bc.ShowScale = true //Show y_axis scale value (min and max)
-	bc.SetMax(400)
-
-	bc.TextColor = ui.ColorGreen    //this is color for label (x-axis)
-	bc.BarColor[3] = ui.ColorGreen  //BarColor for computerscience
-	bc.BarColor[1] = ui.ColorYellow //Bar Color for english
-	bc.NumColor[3] = ui.ColorRed    // Num color for computerscience
-	bc.NumColor[1] = ui.ColorRed    // num color for english
-
-	//Other colors are automatically populated, btw All the students seems do well in computerscience. :p
-
-	ui.Render(bc)
-
-	for {
-		e := <-ui.PollEvent()
-		switch e.ID {
-		case "q", "<C-c>":
-			return
-		}
-	}
-}
diff --git a/_examples/stackedbarchart.go b/_examples/stackedbarchart.go
new file mode 100644
index 0000000..92ab439
--- /dev/null
+++ b/_examples/stackedbarchart.go
@@ -0,0 +1,54 @@
+// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
+// Use of this source code is governed by a MIT license that can
+// be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import ui "github.com/gizak/termui"
+
+func main() {
+	err := ui.Init()
+	if err != nil {
+		panic(err)
+	}
+	defer ui.Close()
+
+	sbc := ui.NewStackedBarChart()
+	math := []int{90, 85, 90, 80}
+	english := []int{70, 85, 75, 60}
+	science := []int{75, 60, 80, 85}
+	compsci := []int{100, 100, 100, 100}
+	sbc.Data[0] = math
+	sbc.Data[1] = english
+	sbc.Data[2] = science
+	sbc.Data[3] = compsci
+	studentsName := []string{"Ken", "Rob", "Dennis", "Linus"}
+	sbc.BorderLabel = "Student's Marks X-Axis=Name Y-Axis=Marks[Math,English,Science,ComputerScience] in %"
+	sbc.Width = 100
+	sbc.Height = 30
+	sbc.Y = 0
+	sbc.BarWidth = 10
+	sbc.DataLabels = studentsName
+	sbc.ShowScale = true //Show y_axis scale value (min and max)
+	sbc.SetMax(400)
+
+	sbc.TextColor = ui.ColorGreen    //this is color for label (x-axis)
+	sbc.BarColor[3] = ui.ColorGreen  //BarColor for computerscience
+	sbc.BarColor[1] = ui.ColorYellow //Bar Color for english
+	sbc.NumColor[3] = ui.ColorRed    // Num color for computerscience
+	sbc.NumColor[1] = ui.ColorRed    // num color for english
+
+	//Other colors are automatically populated, btw All the students seems do well in computerscience. :p
+
+	ui.Render(sbc)
+
+	for {
+		e := <-ui.PollEvent()
+		switch e.ID {
+		case "q", "<C-c>":
+			return
+		}
+	}
+}
diff --git a/_examples/mbarchart.png b/_examples/stackedbarchart.png
similarity index 100%
rename from _examples/mbarchart.png
rename to _examples/stackedbarchart.png
diff --git a/mbarchart.go b/stackedbarchart.go
similarity index 94%
rename from mbarchart.go
rename to stackedbarchart.go
index a9df9cf..e8762ea 100644
--- a/mbarchart.go
+++ b/stackedbarchart.go
@@ -11,7 +11,7 @@ import (
 // This is the implementation of multi-colored or stacked bar graph.  This is different from default barGraph which is implemented in bar.go
 // Multi-Colored-BarChart creates multiple bars in a widget:
 /*
-   bc := termui.NewMBarChart()
+   bc := termui.NewStackedBarChart()
    data := make([][]int, 2)
    data[0] := []int{3, 2, 5, 7, 9, 4}
    data[1] := []int{7, 8, 5, 3, 1, 6}
@@ -25,7 +25,7 @@ import (
    bc.BarColor = termui.ColorRed
    bc.NumColor = termui.ColorYellow
 */
-type MBarChart struct {
+type StackedBarChart struct {
 	Block
 	BarColor   [NumberofColors]Attribute
 	TextColor  Attribute
@@ -46,9 +46,9 @@ type MBarChart struct {
 	maxScale   []rune
 }
 
-// NewMBarChart returns a new *MBarChart with current theme.
-func NewMBarChart() *MBarChart {
-	mbc := &MBarChart{
+// NewStackedBarChart returns a new *StackedBarChart with current theme.
+func NewStackedBarChart() *StackedBarChart {
+	mbc := &StackedBarChart{
 		Block:     *NewBlock(),
 		TextColor: ThemeAttr("mbarchart.text.fg"),
 		NumFmt:    func(n int) string { return fmt.Sprint(n) },
@@ -60,7 +60,7 @@ func NewMBarChart() *MBarChart {
 	return mbc
 }
 
-func (bc *MBarChart) layout() {
+func (bc *StackedBarChart) layout() {
 	bc.numBar = bc.innerArea.Dx() / (bc.BarGap + bc.BarWidth)
 	bc.labels = make([][]rune, bc.numBar)
 	DataLen := 0
@@ -140,14 +140,14 @@ func (bc *MBarChart) layout() {
 
 }
 
-func (bc *MBarChart) SetMax(max int) {
+func (bc *StackedBarChart) SetMax(max int) {
 	if max > 0 {
 		bc.max = max
 	}
 }
 
 // Buffer implements Bufferer interface.
-func (bc *MBarChart) Buffer() Buffer {
+func (bc *StackedBarChart) Buffer() Buffer {
 	buf := bc.Block.Buffer()
 
 	bc.layout()