diff --git a/calculatrice.py b/calculatrice.py
index d315253..02ab334 100644
--- a/calculatrice.py
+++ b/calculatrice.py
@@ -1,5 +1,6 @@
 import tkinter as tk
 from tkinter.constants import *
+from tkinter import font 
 
 class Fenetre(tk.Tk):
     def __init__(self):
@@ -7,12 +8,30 @@ class Fenetre(tk.Tk):
         self.title("Calculatrice")
         self.geometry("400x600")
         self.configure(bg='pink')
-        tk.Canvas(self, width=350, height=175, bg='ivory').pack(side=TOP, padx=5, pady=25)
-        self.frame = tk.Frame(self, bg='pink')
-        self.entree = tk.Entry(self.frame, width=30)
-        self.entree.pack(side=TOP, anchor='n', padx = 5, pady = 100)
-        self.bouton = tk.Button(self.frame, text="Calculer", bg='white').pack(anchor = 's', padx = 100, pady = 10)
-        self.frame.pack(padx = 5, pady =40)
-    
+        self.font= font.Font(family="Arial", size=30, weight="bold" )
+        #configuration des lignes et des colonnes afin de bien placer les boutons
+        self.grid_rowconfigure(0, weight = 4)
+        for i in range(1, 5):
+            self.grid_rowconfigure(i, weight = 1)
+        for j in range(4):
+            self.grid_columnconfigure(j, weight = 1)
+        #ajout de l'ecran et des boutons de la calculatrice
+        self.texte = ""
+        self.ecran = tk.Label(self, text=self.texte,font=("Arial", 60), bg="#EDFAF0")
+        self.ecran.grid(row = 0, column=0, columnspan=4, sticky="nsew")
+        touches = ("7", "8", "9", "+", "4", "5", "6", "-", "1", "2", "3", "*", "0", ",", "=", "/")
+        ligne = 1
+        colonne = 0
+        for touche in touches:
+            tk.Button(self, text=touche,command=lambda t=touche:self.calculer(t), font = self.font).grid(row=ligne, column = colonne)
+            colonne += 1
+            if colonne == 4:
+                colonne = 0
+                ligne += 1
+                
+        def calculer(self, element):
+            #if element == "=":
+            self.texte = self.texte + element
+            self.ecran.config(text=self.texte)
 window = Fenetre()
 window.mainloop()
\ No newline at end of file