Create basic-calculator-gui.py

Author: arefathi

GUI/Calculator/basic-calculator-gui.py

@@ -0,0 +1,119 @@
+# the calculator
+from tkinter import Tk, Button, Label, Grid, Entry, END
+
+root = Tk()
+root.title("CALCULATOR")
+e = Entry(
+    root,
+    width=35,
+    borderwidth=10,
+)
+e.grid(row=0, column=0, columnspan=4, padx=8, pady=8)
+
+
+def joker(number):
+    now = e.get()
+    e.delete(0, END)
+    e.insert(0, str(now) + str(number))
+
+
+def addd():
+    n1 = e.get()
+    global num1
+    global cal
+    cal = "add"
+    num1 = float(n1)
+    e.delete(0, END)
+
+
+def sub():
+    n1 = e.get()
+    global num1
+    global cal
+    cal = "sub"
+    num1 = float(n1)
+    e.delete(0, END)
+
+
+def mul():
+    n1 = e.get()
+    global num1
+    global cal
+    cal = "mul"
+    num1 = float(n1)
+    e.delete(0, END)
+
+
+def div():
+    n1 = e.get()
+    global num1
+    global cal
+    cal = "div"
+    num1 = float(n1)
+    e.delete(0, END)
+
+
+def equ():
+    if cal == "add":
+        n2 = e.get()
+        e.delete(0, END)
+        e.insert(0, num1 + float(n2))
+    elif cal == "sub":
+        n2 = e.get()
+        e.delete(0, END)
+        e.insert(0, num1 - float(n2))
+    elif cal == "mul":
+        n2 = e.get()
+        e.delete(0, END)
+        e.insert(0, num1 * float(n2))
+    elif cal == "div":
+        n2 = e.get()
+        e.delete(0, END)
+        e.insert(0, num1 / float(n2))
+    else:
+        pass
+
+
+def clr():
+    e.delete(0, END)
+
+
+# bottons
+btn1 = Button(root, text="1", padx=20, pady=5, command=lambda: joker("1"))
+btn2 = Button(root, text="2", padx=20, pady=5, command=lambda: joker("2"))
+btn3 = Button(root, text="3", padx=20, pady=5, command=lambda: joker("3"))
+btn4 = Button(root, text="4", padx=20, pady=5, command=lambda: joker("4"))
+btn5 = Button(root, text="5", padx=20, pady=5, command=lambda: joker("5"))
+btn6 = Button(root, text="6", padx=20, pady=5, command=lambda: joker("6"))
+btn7 = Button(root, text="7", padx=20, pady=5, command=lambda: joker("7"))
+btn8 = Button(root, text="8", padx=20, pady=5, command=lambda: joker("8"))
+btn9 = Button(root, text="9", padx=20, pady=5, command=lambda: joker("9"))
+btn0 = Button(root, text="0", padx=20, pady=5, command=lambda: joker("0"))
+btnadd = Button(root, text="+", padx=20, pady=5, command=addd)
+btnsub = Button(root, text="-", padx=20, pady=5, command=sub)
+btnmul = Button(root, text="*", padx=20, pady=5, command=mul)
+btndiv = Button(root, text="/", padx=20, pady=5, command=div)
+btnequ = Button(root, text="=", padx=20, pady=5, command=equ)
+btndot = Button(root, text=".", padx=20, pady=5, command=lambda: joker("."))
+btnclr = Button(root, text="clear", padx=20, pady=5, command=clr)
+
+
+btn1.grid(row=3, column=0)
+btn2.grid(row=3, column=1)
+btn3.grid(row=3, column=2)
+btn4.grid(row=2, column=0)
+btn5.grid(row=2, column=1)
+btn6.grid(row=2, column=2)
+btn7.grid(row=1, column=0)
+btn8.grid(row=1, column=1)
+btn9.grid(row=1, column=2)
+btn0.grid(row=4, column=1)
+btnadd.grid(row=1, column=3)
+btnsub.grid(row=2, column=3)
+btnmul.grid(row=3, column=3)
+btndiv.grid(row=4, column=3)
+btnequ.grid(row=4, column=0)
+btndot.grid(row=4, column=2)
+btnclr.grid(row=5, column=1)
+
+root.mainloop()