diff --git a/DisplayESP32.ino b/DisplayESP32.ino
index 21726f5..2619e66 100644
--- a/DisplayESP32.ino
+++ b/DisplayESP32.ino
@@ -104,9 +104,9 @@ class Menu{    //ContentType (0)
   }
 
   //The following method is used to created an option for the menu
-  void createOption(String content, bool destinationTypeMenu, int destinationIndex){
+  void createOption(String content, int destinationType, int destinationIndex){
     //The option takes the place in the array defined by the options number variable (options), which is later increased.
-    this->opt[this->options].configure(content, this->sizex, this->sizey, this->options++, destinationTypeMenu, destinationIndex);
+    this->opt[this->options].configure(content, this->sizex, this->sizey, this->options++, destinationType, destinationIndex);
   }
 
   int extractDestinationType(){
@@ -426,7 +426,8 @@ class Modifier{       //ContentType (2)
 
   public:
 
-  void configure(String title, int *value, int max, int min, int interval){
+  void configure(String title, int *value, int max, int min, int step){
+    this->title = title;
     this->value = value;
     this->max = max;
     this->min = min;
@@ -436,26 +437,30 @@ class Modifier{       //ContentType (2)
   void drawModifier(){
     display.clearDisplay();
     display.fillRect(0, 0,  127 , 16, SSD1306_WHITE);
-    display.setTextColor(SSD1306_BLACK);
+    display.setTextColor(SSD1306_BLACK, SSD1306_WHITE);
     display.setTextSize(1);
     display.setCursor(2, 4);
     display.println(this->title);
 
     display.setTextColor(SSD1306_WHITE);
     display.setTextSize(3);
-    display.setCursor(2, ((DISP_HEIGHT - 16 - 20)/2) + 20);
+    display.setCursor(2, ((DISP_HEIGHT - 16 - 15)/2) + 16);
     display.println(*this->value);
+
+    display.display();
+
+    display.setTextSize(1);
   }
 
   void increaseValue(){
-    if((*this->value + step) <= this->max){
-      *this->value += step;
+    if((*this->value + this->step) <= this->max){
+      *this->value += this->step;
     }
   }
 
   void decreaseValue(){
-    if((*this->value - step) >= this->min){
-      *this->value -= step;
+    if((*this->value - this->step) >= this->min){
+      *this->value -= this->step;
     }
   }
 
@@ -529,8 +534,8 @@ class Screen{
     this->counterM++;
   }
 
-  void createOption(int menuIndex, String content, bool destinationTypeMenu, int destinationIndex){  //this method should be used for creating an option in a menu
-    this->menu[menuIndex].createOption(content, destinationTypeMenu, destinationIndex);
+  void createOption(int menuIndex, String content, int destinationType, int destinationIndex){  //this method should be used for creating an option in a menu
+    this->menu[menuIndex].createOption(content, destinationType, destinationIndex);
   }
 
   void createVGraph(String title, double xpos, double ypos, double width, double height,
@@ -551,8 +556,8 @@ class Screen{
     counterG++;
   }
 
-  void createModifier(String title, int *value, int max, int min, int interval){   //This method is used for the creation of a menu
-    this->modifier[counterMod].configure(title, value, max, min, interval);
+  void createModifier(String title, int *value, int max, int min, int step){   //This method is used for the creation of a menu
+    this->modifier[counterMod].configure(title, value, max, min, step);
     this->counterMod++;
   }
 
@@ -578,6 +583,9 @@ class Screen{
       else if (contentType == 1){
         graph[currentScreen].drawGraph();
       }
+      else if (contentType == 2){
+        modifier[currentScreen].drawModifier();
+      }
       this->redraw = false;
     }
   }
@@ -609,7 +617,8 @@ class Screen{
         this->graph[newScreen].redrawFlag();
       }
       else if(newContentType == 2){
-
+        this->modifier[newScreen].setPreviousScreen(this->currentScreen);
+        this->modifier[newScreen].setPreviousContentType(this->contentType);
       }
       this->contentType = newContentType;
       this->currentScreen = newScreen;
@@ -628,6 +637,10 @@ class Screen{
       this->currentScreen = this->graph[this->currentScreen].getPreviousScreen();
       this->contentType = this->graph[this->currentScreen].getPreviousContentType();
     }
+    else if(contentType == 2){
+      this->currentScreen = this->modifier[this->currentScreen].getPreviousScreen();
+      this->contentType = this->modifier[this->currentScreen].getPreviousContentType();
+    }
   }
 
 //These methods control the plus and minus button actions
@@ -635,12 +648,18 @@ class Screen{
     if(contentType == 0){
       increasePos();
     }
+    else if(contentType == 2){
+      this->modifier[currentScreen].increaseValue();
+    }
   }
 
   void minusAction(){
     if(contentType == 0){
       decreasePos();
     }
+    else if(contentType == 2){
+      this->modifier[currentScreen].decreaseValue();
+    }
   }
   
 };
@@ -729,6 +748,7 @@ class Keyboard{
 };
 
 int i = 0;
+int multiplier = 1;
 
 Screen screen;
 Keyboard keyboard(13, 12, 14, 27, 30, &screen);
@@ -745,6 +765,8 @@ void setup(){
   screen.createVGraph("Grafica 1", 25, 60, 40, 40, 0, 100, 10, 0);               //Graph 0
   screen.createHGraph("Grafica 2", 10, 40, 100, 20, 0, 100, 10, 0);              //Graph 1
   screen.createCGraph("Grafica 3", 30, 50, 75, 30, 0, 100, 0, 1000, 25, 250, 0);   //Graph 2
+
+  screen.createModifier("Modify variable", &multiplier, 5, 1, 1);
   
   screen.createOption(0, "Vertical graph", 1, 0);
   //Creates the first option in Menu 0, directing to a graph (contentType = 1 (Graph)), 0 (Graph 0)
@@ -753,7 +775,8 @@ void setup(){
   screen.createOption(0, "Extra option", 0, 1);
 
   screen.createOption(1, "Test", 1, 3);
-  screen.createOption(1, "Working?", 1, 4);
+  screen.createOption(1, "Working?", 2, 2);
+  screen.createOption(1, "Modify variable", 2, 0);
 
 //  screen.increasePos();
 //  screen.increasePos();
@@ -773,7 +796,7 @@ void loop(){
   if(i <= 100){
     screen.graphAssignValue(1, i);    //Assigning a demo value to Graph 1
     screen.graphAssignValue(2, i);    //Assigning a demo value to Graph 2
-    i++;
+    i += multiplier;
   }
   else
     i = 0;