diff --git a/BM1D.cc b/BM1D.cc
index e781074..fc65d04 100644
--- a/BM1D.cc
+++ b/BM1D.cc
@@ -1,4 +1,4 @@
-/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári 
+/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári, Dávid Baranyai
 
 #include <iostream>
 #include "Progress.hh"
diff --git a/README.md b/README.md
index ec2d573..5c6fceb 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Brownian movement in one dimension. Starter pack for data processing course from
 
 * **Balázs Demeter** - *University of Debrecen* - [E-mail](mailto:balazsdemeter92@gmail.com)
 * **Balázs Ujvári** - *University of Debrecen* - [E-mail](mailto:balazs.ujvari@science.unideb.hu)
+* **Dávid Baranyai** - *University of Debrecen* - [E-mail](mailto:divaldo95@gmail.com)
 
 ### Requirements
 
diff --git a/include/Progress.hh b/include/Progress.hh
index 512f0f9..8c8366f 100644
--- a/include/Progress.hh
+++ b/include/Progress.hh
@@ -1,4 +1,4 @@
-/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári 
+/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári, Dávid Baranyai
 
 #ifndef Progress_h
 #define Progress_h 1
@@ -24,10 +24,19 @@ class Progress {
 public:
 
  Progress(Int_t n);
+ Progress(Int_t n, Double_t p0_Set);
+ Progress(Int_t n, Double_t p0_Set, Double_t startposition);
  ~Progress();
  
  void Count(char a);
  
+ Double_t GetP0();
+ Int_t GetSteps();
+ Double_t GetNext();
+ Double_t GetPrevious();
+ 
+ void SetP0(double p0_new);
+ 
  std::vector<Double_t> GetX();
  std::vector<Double_t> GetY();
 
@@ -38,6 +47,10 @@ private:
  std::vector<Double_t> x;
  std::vector<Double_t> y;
  
+ Double_t p0;
+ Double_t preVstate;
+ Int_t steps;
+ 
 };
 
 #endif
diff --git a/src/Progress.cc b/src/Progress.cc
index f4f24e4..110d818 100644
--- a/src/Progress.cc
+++ b/src/Progress.cc
@@ -1,9 +1,21 @@
-/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári 
+/// BM1D program. Date: 2017-10-29 Creators: Balázs Demeter, Balázs Ujvári, Dávid Baranyai
 
 #include "Progress.hh"
 
 Progress::Progress(Int_t nP) : 
-n (nP)
+n (nP), p0(1), preVstate(0), steps(0)
+{
+	random1 = new TRandom();
+}
+
+Progress::Progress(Int_t nP, Double_t p0_Set) : 
+n (nP), p0(p0_Set), preVstate(0), steps(0)
+{
+	random1 = new TRandom();
+}
+
+Progress::Progress(Int_t nP, Double_t p0_Set, Double_t startposition) : 
+n (nP), p0(p0_Set), preVstate(startposition), steps(0)
 {
 	random1 = new TRandom();
 }
@@ -56,6 +68,33 @@ void Progress::Count(char a)
     }
 }
 
+Double_t Progress::GetNext()
+{
+        preVstate+=fmod(random1->Uniform(),(2*p0)-p0);
+        steps++;
+        return preVstate;
+}
+    
+Double_t Progress::GetPrevious()
+{
+        return preVstate;
+}
+    
+void Progress::SetP0(Double_t p0_new)
+{
+        p0=p0_new;
+}
+    
+Double_t Progress::GetP0()
+{
+        return p0;
+}
+    
+Int_t Progress::GetSteps()
+{
+        return steps;
+}
+    
 std::vector<Double_t> Progress::GetX()
 {
 	return x;