diff --git a/Signal-Study.md b/Signal-Study.md
index 7a545e0..4ccb50a 100644
--- a/Signal-Study.md
+++ b/Signal-Study.md
@@ -1,32 +1,44 @@
 
+
+## Global variables:
+
+* class YieldInfo{
+* public:
+
+
 # Classes
 ### YieldInfo
 * **Private members:**
 * **Public  members:**
 * **Functions:**
     * **YieldInfo()**
+[comment]: # ([o()](#yieldinfo))
         * **Parameters**
             * //default constructor
         * **Return**
     * **void addYield()**
+[comment]: # ([addYield()](#void-addyield))
         * **Parameters**
             * YieldInfo addInfo
         * **Return**
     * **~YieldInfo()**
+[comment]: # ([o()](#~yieldinfo))
         * **Parameters**
             * );   //destuctor
         * **Return**
 
 
 
-# Functions and their parameters:
+# Functions
 ### YieldInfo::~YieldInfo()
+[comment]: # ([o()](#yieldinfo-~yieldinfo))
 
 * **Parameters**
     * //destuctor
 * **Return**
 
 ### double getValueFromTGraph()
+[comment]: # ([getValueFromTGraph()](#double-getvaluefromtgraph))
 
 * **Parameters**
     * string name
@@ -35,6 +47,7 @@
 * **Return**
 
 ### bool yieldComparison()
+[comment]: # ([yieldComparison()](#bool-yieldcomparison))
 
 * **Parameters**
     * int Run
@@ -42,6 +55,7 @@
 * **Return**
 
 ### YieldInfo yieldInQ2()
+[comment]: # ([yieldInQ2()](#yieldinfo-yieldinq2))
 
 * **Parameters**
     * int Run
@@ -51,12 +65,14 @@
 * **Return**
 
 ### bool plotYieldInQ2()
+[comment]: # ([plotYieldInQ2()](#bool-plotyieldinq2))
 
 * **Parameters**
     * bool fixRange
 * **Return**
 
 ### bool ApplyCut()
+[comment]: # ([ApplyCut()](#bool-applycut))
 
 * **Parameters**
     * int Run
@@ -67,6 +83,7 @@
 * **Return**
 
 ### bool ApplyCutPerYear()
+[comment]: # ([ApplyCutPerYear()](#bool-applycutperyear))
 
 * **Parameters**
     * int Run
@@ -77,6 +94,7 @@
 * **Return**
 
 ### bool ApplyCutToAll()
+[comment]: # ([ApplyCutToAll()](#bool-applycuttoall))
 
 * **Parameters**
     * int Run
@@ -84,6 +102,7 @@
 * **Return**
 
 ### bool ApplyCutPerYearAll()
+[comment]: # ([ApplyCutPerYearAll()](#bool-applycutperyearall))
 
 * **Parameters**
     * int Run
@@ -91,12 +110,14 @@
 * **Return**
 
 ### bool ApplyCutPerYearAll()
+[comment]: # ([ApplyCutPerYearAll()](#bool-applycutperyearall))
 
 * **Parameters**
     * int Run
 * **Return**
 
 ### bool printYileds()
+[comment]: # ([printYileds()](#bool-printyileds))
 
 * **Parameters**
     * bool Rare