diff --git a/exemple b/exemple
deleted file mode 100755
index 44994bb..0000000
Binary files a/exemple and /dev/null differ
diff --git a/exemple.c b/exemple.c
deleted file mode 100644
index 56d5876..0000000
--- a/exemple.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include<stdlib.h>
-#include<graph.h>
- 
-int main()
-{
-    InitialiserGraphique();
-    CreerFenetre(10,10,500,500);
-    EcrireTexte(10,100,"Hello World !",2);
-    Touche();
-    FermerGraphique();
-    return EXIT_SUCCESS;
-}
diff --git a/souris_test b/souris_test
deleted file mode 100755
index 370a149..0000000
Binary files a/souris_test and /dev/null differ
diff --git a/souris_test.c b/souris_test.c
deleted file mode 100644
index 2c15f73..0000000
--- a/souris_test.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <graph.h>
-#include <stdio.h>
-
-#define tx 300
-#define ty 300
-
-int main(void){
-	char t[50];
-	int x,y;
-	couleur c;
-
-	InitialiserGraphique();
-	CreerFenetre(100,100,tx,ty);
-	c=CouleurParNom("black");
-	SourisPosition();
-	x=_X;
-	y=_Y;
-	sprintf(t,"x=%3d:y=%3d",_X,_Y);
-	EffacerEcran(CouleurParNom("white"));
-	EcrireTexteC((tx-TailleChaineEcran(t,0))/2,ty/2,t,c,0);
-
-	while(!SourisCliquee()){
-		SourisPosition();
-		if(_X!=x||_Y!=y){
-			sprintf(t,"x=%3d:y=%3d",_X,_Y);
-			EffacerEcran(CouleurParNom("white"));
-			EcrireTexteC((tx-TailleChaineEcran(t,0))/2,ty/2,t,c,0);
-			x=_X;
-			y=_Y;
-		}
-	}
-	FermerGraphique();
-}
diff --git a/test.c b/test.c
deleted file mode 100644
index 19ce43f..0000000
--- a/test.c
+++ /dev/null
@@ -1,63 +0,0 @@
-#include <stdlib.h>
-#include <graph.h>
-
-void DessinerGrille(int x_g, int y_g, int x_fen, int y_fen, int triche){
-	int i,j;
-	int tab[2][2] = {{1,2},{1,2}};
-	int x = 0;
-	int y = 0;
-	int l_case = (x_fen-((10*x_g)+10))/x_g;
-	int h_case = (y_fen-((10*y_g)+10))/y_g;
-	if (triche == 0){
-		for(i=10;i<x_fen-10;i+=l_case+10){
-			for(j=10;j<y_fen-10;j+=h_case+10){
-				RemplirRectangle(i,j,l_case,h_case);
-			}
-		}
-	}
-	if (triche == 1){
-		for(i=10;i<x_fen-10;i+=l_case+10){
-			for(j=10;j<y_fen-10;j+=h_case+10){
-				ChoisirCouleurDessin((tab[x][y]*100)+100);
-				RemplirRectangle(i,j,l_case,h_case);
-				y++;
-			}
-			x++;
-		}
-	}
-}
-
-int main(void){
-	int tab[2][2] = {{1,2},{1,2}};
-	int i,j;
-	int x=1;
-	int touche;
-	InitialiserGraphique();
-	CreerFenetre(10,10,1000,1000);
-	ChoisirCouleurDessin(CouleurParComposante(0,0,0));
-	DessinerGrille(2,2,1000,1000,0);
-	while(1){	
-		if (ToucheEnAttente()){
-			touche = Touche();
-			if (touche == XK_t)
-				x = -x;
-				if (x==-1){
-					EffacerEcran(CouleurParComposante(255,255,255));
-					ChoisirCouleurDessin(CouleurParComposante(255,0,0));
-					EcrireTexte(10,10,"mode triche",2);
-					DessinerGrille(2,2,1000,1000,1);
-				}
-				if (x==1){
-					EffacerEcran(CouleurParComposante(255,255,255));
-					ChoisirCouleurDessin(CouleurParComposante(0,0,0));
-					DessinerGrille(2,2,1000,1000,0);
-				}
-			if (touche == XK_space)
-				break;
-			touche = 0;
-		}
-	}
-	FermerGraphique();
-	return EXIT_SUCCESS;
-}
-
diff --git a/timer b/timer
new file mode 100755
index 0000000..830a40e
Binary files /dev/null and b/timer differ
diff --git a/timer.c b/timer.c
new file mode 100644
index 0000000..a234365
--- /dev/null
+++ b/timer.c
@@ -0,0 +1,39 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <graph.h>
+
+int main(void){
+	unsigned long temps_ecoule = 0;
+	unsigned long temps = Microsecondes();
+	int timer;
+	int seconde_passee;
+	int minutes = 0;
+	int secondes = 0;
+	int a = 1;
+	int temps_reference = 0;
+	char afficher_temps[20];
+
+	InitialiserGraphique();
+	CreerFenetre(10,10,1500,844);
+	while(a==1){
+		temps_ecoule = (int) (Microsecondes() - temps);
+		if (temps_reference<temps_ecoule){
+			temps_reference +=1;
+			timer = (int) (temps_ecoule / 1000000);
+			if (timer != seconde_passee){
+				seconde_passee = timer;
+				secondes = timer ;
+				if (secondes > 59){
+					minutes = secondes/60 ;
+					secondes = secondes - (minutes*60);
+				}
+				EffacerEcran(CouleurParNom("white"));
+				ChoisirCouleurDessin(CouleurParNom("black"));
+				snprintf(afficher_temps,15,"Time : %02d : %02d",minutes,secondes);
+				EcrireTexte(700,50,afficher_temps,1);
+			}
+		}
+	}
+	return EXIT_SUCCESS;
+}
+