diff --git a/macros/rootlogon.C b/macros/rootlogon.C
new file mode 100644
index 0000000000000000000000000000000000000000..c93c330f425cd04b7e1fb28ba72960c344b264e6
--- /dev/null
+++ b/macros/rootlogon.C
@@ -0,0 +1,9 @@
+{
+    
+    TString pathToTELoss = "../build/TELoss/libTELoss.so";
+
+    Int_t teloss = gSystem->Load(pathToTELoss);
+    if (teloss==0) Info("rootlogon.C", "Library %s was successfully loaded.", pathToTELoss.Data());
+    else Error("rootlogon.C", "Some error with %s loading", pathToTELoss.Data());
+    
+}
\ No newline at end of file
diff --git a/macros/testOfTELoss.cxx b/macros/testOfTELoss.cxx
new file mode 100644
index 0000000000000000000000000000000000000000..a5f1278de13c22edd1f0088afe1cc13861932c27
--- /dev/null
+++ b/macros/testOfTELoss.cxx
@@ -0,0 +1,37 @@
+#include "TSystem.h"
+
+#include "../TELoss/TELoss.h"
+
+void testOfTELoss() {
+
+    //creating two object for combination particle-material
+    TELoss	mSi_4He;
+	TELoss	mSi_1H;
+
+    //setting tables for alphas in silicon
+	mSi_4He.SetEL(1, 2.321);            //general properties of material (silicon)
+	mSi_4He.AddEL(14., 28.086, 1);      //add Si element to material
+	mSi_4He.SetZP(2., 4.);		        //set 4He particles
+	mSi_4He.SetEtab(100000, 200.);	    //set table with ranges
+	mSi_4He.SetDeltaEtab(300);          //some other table
+
+    //setting tables for protons in silicon
+	mSi_1H.SetEL(1, 2.321);             //general properties of material (silicon)
+	mSi_1H.AddEL(14., 28.086, 1);       //add Si element to material        
+	mSi_1H.SetZP(1., 1.);		        //set 4He particles        
+	mSi_1H.SetEtab(100000, 200.);       //set table with ranges        
+	mSi_1H.SetDeltaEtab(300);           //some other table    
+
+    cout << "Remaining energy of proton with energy of 20 MeV after penetration 1 mm of silicon is:" << endl;
+    cout << "expected (according to LISE++):\t14.604 MeV" << endl;
+    cout << "calculated:\t\t\t" << mSi_1H.GetE(20, 1000) << " MeV" << endl << endl;
+
+    cout << "Remaining energy of alpha with energy of 50 MeV after penetration 1 mm of silicon is:" << endl << endl;
+    cout << "expected (according to LISE++):\t5.447 MeV" << endl;
+    cout << "calculated:\t\t\t" << mSi_4He.GetE(50, 1000) << " MeV" << endl << endl;
+
+    cout << "Remaining energy of alpha with energy of 70 MeV after penetration 1 mm of silicon is:" << endl << endl;
+    cout << "expected (according to LISE++):\t45.076 MeV" << endl;
+    cout << "calculated:\t\t\t" << mSi_4He.GetE(70, 1000) << " MeV" << endl << endl;
+
+}
\ No newline at end of file